CN109825778A - A kind of high chromium high boron wear-resisting steel of micro- carbon and preparation method thereof - Google Patents
A kind of high chromium high boron wear-resisting steel of micro- carbon and preparation method thereof Download PDFInfo
- Publication number
- CN109825778A CN109825778A CN201811638255.5A CN201811638255A CN109825778A CN 109825778 A CN109825778 A CN 109825778A CN 201811638255 A CN201811638255 A CN 201811638255A CN 109825778 A CN109825778 A CN 109825778A
- Authority
- CN
- China
- Prior art keywords
- chromium
- carbon
- aluminium
- manganese
- calcium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Heat Treatment Of Steel (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a kind of micro- high chromium high boron wear-resisting steel of carbon and preparation method thereof, the weight percent content of abrasion-resistant stee obtained is the carbon of 0.10-0.25%, the silicon of 1.50-3.00%, the manganese of 0.80-3.00%, the phosphorus of < 0.04%, the sulphur of < 0.04%, the chromium of 9.00-15.00%, the nickel of 0.30-3.00%, the molybdenum of 0.10-1.00%, the vanadium of 0.10-0.50%, the tungsten of 0-1.50%, the titanium of 0.01-0.10%, the boron of 0.40-0.80%, the copper of 0.10-0.40%, the aluminium of 0.10-0.30%, the niobium of 0.02-0.25%, the zirconium of 0.02-0.10%, the cerium of 0.10-0.50%, 0.01-0 .15% the magnesium of tin, 0.001-0.003%, the calcium of 0.001-0.15%, the nitrogen of 0.003-0.025%, the rhenium of 0.001-0.005% and the iron of surplus.Not only there is high rigidity, but also be provided simultaneously with the characteristic of certain toughness and high abrasion.
Description
Technical field
The present invention relates to steel alloy manufacturing technology field more particularly to a kind of high chromium high boron wear-resisting steel of micro- carbon and its systems
Preparation Method.
Background technique
Steel alloy is that the iron carbon for adding suitable one or more alloying elements on the basis of ordinary carbon steel and constituting closes
Gold.According to the difference of addition element, and take processing technology appropriate, can get high intensity, high tenacity, it is wear-resisting, corrosion-resistant,
The properties such as low temperature resistant, high temperature resistant, nonmagnetic.
Steel alloy can be divided into low-alloy steel according to the number of alloying element content in steel, medium alloy steel and high alloy
Steel.The main alloy element of steel alloy has silicon, manganese, chromium, nickel, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, aluminium, copper, boron, rare earth etc..
Wherein vanadium, titanium, niobium, zirconium etc. are carbide in steel, as long as having enough carbon, in felicity condition
Under, respective carbide can be formed, when scarce carbon or under the high temperature conditions, is then entered in solid solution with state of atom；Manganese, chromium,
Tungsten, molybdenum are carbide former, and a portion is entered in solid solution with state of atom, and another part forms displaced type and closes
Golden cementite；Aluminium, copper, nickel, cobalt, silicon etc. are not form carbide formers, are generally present in solid solution with state of atom.
Publication No. CN 108220816A, publication date are that on 06 29th, 2018 Chinese patent literatures disclose one kind
Low chromium shock resistance high-temperature antiwear alloy steel, which is characterized in that the chemical element component including following weight percent: carbon 0.10-
0.50%, silicon 0.4-2.2%, manganese 0.5-1.5%, phosphorus < 0.04%, sulphur < 0.04 %, chromium 0.5-3.5%, nickel 0.2-
2.2%, molybdenum 0.1-0.7%, boron 0-0.2%, aluminium 0.1-0.5%, cerium 0.2-1.2%, tin 0.02-0.20%, vanadium 0-0.8%,
Tungsten 0.1-1.5%, copper 0.05-0.4%, tantalum 0.005-0.020%, cobalt 0.05-0.20%, pick 0.05-0.25%, magnesium 0.01-
0.04%, calcium 0.003-0.015%, titanium 0-0.08%, niobium 0-0.15%, surplus are iron.
Low chromium shock resistance high-temperature antiwear alloy steel disclosed in the patent document, although steel alloy obtained can guarantee height
Toughness and shock resistance.But due to its be using pure martensitic matrix as wear-resistant material, though hardness reaches, wearability
Deficiency, for ferrochrome slag, steel slag it is broken, wearability is far from enough.
Summary of the invention
The present invention in order to overcome the defects of the prior art described above, provides a kind of high chromium high boron wear-resisting steel of micro- carbon and its preparation
Method, the present invention use micro- carbon, and hardness range value can reach HRC59-61；Using the rhenium of specific components and proportion, rhenium can be inhaled
Hydrogen prevents hydrogen embrittlement, can also desulfurization, generate superfine compound, forming core, refinement crystal grain improve toughness；Each component is by specifically matching
Than the abrasion-resistant stee being finally prepared not only has high rigidity, but also is provided simultaneously with the characteristic of certain toughness and high abrasion.
The present invention is achieved through the following technical solutions:
A kind of high chromium high boron wear-resisting steel of micro- carbon, which is characterized in that be made of following raw material by weight percentage:
The carbon 0.10%, silicon 1.50%, manganese 0.80%, phosphorus 0.01%, sulphur 0.01%, chromium 9.00%, nickel 0.30%,
Molybdenum 0.10%, vanadium 0.10%, titanium 0.01%, boron 0.40%, copper 0.10%, aluminium 0.10%, niobium 0.02%, zirconium 0.02%, cerium
0.10%, tin 0.01%, magnesium 0.001%, calcium 0.001%, nitrogen 0.003%, rhenium 0.001% and iron surplus.
The carbon 0.15%, silicon 2.00%, manganese 1.80%, phosphorus 0.02%, sulphur 0.02%, chromium 11.00%, nickel 1.50%,
Molybdenum 0.60%, vanadium 0.30%, tungsten 1.00%, titanium 0.06%, boron 0.60%, copper 0.30%, aluminium 0.20%, niobium 0.15%, zirconium
0.08%, cerium 0.30%, tin 0.11%, magnesium 0.002%, calcium 0.10%, nitrogen 0.005%, rhenium 0.002% and iron surplus.
The carbon 0.25%, silicon 3.00%, manganese 3.00%, phosphorus 0.03%, sulphur 0.03%, chromium 15.00%, nickel 3.00%,
Molybdenum 1.00%, vanadium 0.50%, tungsten 1.50%, titanium 0.10%, boron 0.80%, copper 0.40%, aluminium 0.30%, niobium 0.25%, zirconium
0.10%, cerium 0.50%, tin 0.15%, magnesium 0.003%, calcium 0.15%, nitrogen 0.025%, rhenium 0.005% and iron surplus.
A kind of preparation method of the high chromium high boron wear-resisting steel of micro- carbon, which is characterized in that be successively made of following processing step:
A, determine that process goal value, weight percent proportion are as follows:
The carbon of 0.10-0.25%, the silicon of 1.50-3.00%, the manganese of 0.80-3.00%, the phosphorus of < 0.04%, < 0.04%
Sulphur, the chromium of 9.00-15.00%, the nickel of 0.30-3.00%, the molybdenum of 0.10-1.00%, 0.10-0.50% vanadium, 0-
1.50% tungsten, the titanium of 0.01-0.10%, the boron of 0.40-0.80%, the copper of 0.10-0.40%, 0.10-0.30% aluminium,
The niobium of 0.02-0.25%, the zirconium of 0.02-0.10%, the cerium of 0.10-0.50%, the tin of 0.01-0.15%, 0.001-
0.003% magnesium, the calcium of 0.001-0.15%, the nitrogen of 0.003-0.025%, the rhenium of 0.001-0.005% and the iron of surplus；
B, ingredient: choose scrap iron, steel scrap, cerium mischmetal and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium,
Zirconium, tin, magnesium, calcium, rhenium and nitrogen alloy；
C, melting: being first put into furnace bottom for the ingredient in b step and be lined in the intermediate frequency furnace of hot lime, then leads to intermediate frequency furnace low
Electric current, full load power transmission after ingredient preheating in intermediate frequency furnace, until ingredient fusing in intermediate frequency furnace；
D, sampling adjustment: by step c melt after ingredient sample, according to liquid medicine or spectrometer analysis measure silicon, manganese,
Chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and nitrogen weight percent content, and according in a step
Process goal value comparative analysis, be added steel scrap and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin,
Magnesium, calcium, rhenium and nitrogen alloy, adjustment containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and
Close to process goal value, the content that graphite adjustment carbon is added is matched close to process goal value, in intermediate frequency out the content proportion of nitrogen
The 5 minutes addition cerium mischmetals in stokehold, make the weight percent content of cerium reach process goal value；
E, moulding by casting: deoxidier is added when temperature is 1850 DEG C in the melt after Step d reaches process goal value,
Then go out intermediate frequency furnace；
F, it is heat-treated: the abrasion-resistant stee after step e moulding by casting is diffused nodularization, quench, tempering is got product.
Deoxidier in the step e is silico-calcium core-spun yarn, aluminium manganese iron, steel-core-aluminium or silicon carbide.
Diffusion nodularization in the f step, which refers to, is heated to 1200 DEG C for the abrasion-resistant stee after step e moulding by casting, and protects
Temperature 1.5 hours when then reducing the temperature to 750 DEG C, keeps the temperature 2.5 hours, finally cooling with resistance furnace.
Quenching in the f step is wear-resisting obtained from referring to the carbide that will be distributed on matrix after spreading nodularization
When steel is heated to 1130 DEG C, with i.e. that its is air-cooled.
Tempering in the f step, which refers to, to be reheated to 250 DEG C for quenched abrasion-resistant stee and keeps the temperature 3 hours, is continued
It is heated to 350 DEG C and keeps the temperature 3 hours, then proceed to be heated to 400 DEG C and keep the temperature 3 hours, it is finally air-cooled with resistance furnace.
Beneficial effects of the present invention are mainly manifested in following aspect:
1, of the invention, by numerous experiments, it is final using " carbon of 0.10-0.25%, 1.50-3.00% silicon,
The manganese of 0.80-3.00%, the phosphorus of < 0.04%, the sulphur of < 0.04%, the chromium of 9.00-15.00%, 0.30-3.00% nickel,
The vanadium of the molybdenum of 0.10-1.00%, 0.10-0.50%, the tungsten of 0-1.50%, the titanium of 0.01-0.10%, 0.40-0.80%
Boron, the copper of 0.10-0.40%, the aluminium of 0.10-0.30%, the niobium of 0.02-0.25%, the zirconium of 0.02-0.10%, 0.10-
0.50% cerium, the tin of 0.01-0.15%, the magnesium of 0.001-0.003%, 0.001-0.15% calcium, 0.003-0.025%
Nitrogen, the rhenium of 0.001-0.005% and the iron of surplus " this specific proportion, wherein use the rhenium of specific components and proportion,
Rhenium can inhale hydrogen, prevent hydrogen embrittlement, can also desulfurization, generate superfine compound, forming core, refinement crystal grain improve toughness；Using specific components
With the nickel of proportion, crystal grain can be refined, hinders the alloy cpd generated or intermetallic compound toward cyrystal boundary segregation；Using specific
The nitrogen of component and proportion can not only produce superfine compound disperses in complicated body steel bundle and strengthen, but also toughness raising can be improved
Intensity；It is applied in entire technical solution using the high boron of the high chromium of micro- carbon of specific components and proportion and rhenium, with other components
Under synergistic effect, austenitic area is expanded, it is paralympic by heat treatment acquisition, while high rigidity phase content is promoted, make cost minimization
Change, guarantees high-wear resistance, and obtain toughness phase (referring to embodiment 9 and embodiment 10), what is be finally prepared is wear-resisting
Steel not only has high rigidity, but also is provided simultaneously with the characteristic of certain toughness and high abrasion (referring to embodiment 9 and embodiment 10).
2, of the invention, it passes sequentially through and " a, determines process goal value, b, ingredient, c, melting, e, d, sampling adjustment are poured into
Type and f, heat treatment ", using this specific processing step, by chromium control in 9.00-15.00%, quantitative chromium can generate M7C3、
Cr23C6Compound；It is applied with silicon, boron, tungsten and titanium, keeps austenite acquisition amount more；Cr can be generated simultaneously7C3Or Cr23C6Chemical combination
Object, and Fe can be generated2B compound makes up, Cr23C4It is not complete to be transformed into Cr7C3Compound promotes hardness, while the boron carbon generated
Chemical combination, tungsten compound hardness be much larger than Cr7C3Hardness, promote the hardness of hard alloy, reduce cost wearability
Energy；By boron control in 0.40-0.80%, quantitative boron can improve harden ability, and can generate a large amount of Fe2B compound expands Ovshinsky
Body refines function；By manganese control in 0.80-3.0%, it can strengthen that matrix is rotten to be mingled with effect；Nitrogen is controlled in 0.003-
0.025%, can it is anticorrosive and can with generate a large amount of high hard phases after aluminium, nickel, copper integration, while refining crystal grain again；It is obtained in heat treatment
Certain retained austenite is obtained, precipitation-hardening is generated by heating treatment and martensite is uniformly distributed hard phase；By above-mentioned step
After rapid processing, martensite can be obtained and be matrix and make high hard alloy cpd Dispersed precipitate on matrix, and can be made
It is paralympic on a small quantity to be mixed in martensite, by appropriate Ni-based, the thin compound of nitrogen base stage, titanium-based forming core, prevent compound toward crystal boundary
Segregation；Make matrix that lattice deformability occur further through manganese, copper, tin, promotes matrix strength, mention intensity, hardness, toughness further
Height obtains the steel alloy of high abrasion a kind of, but also with appropriate toughness high-quality abrasion-resistant stee (referring to embodiment 9 and embodiment
10).It was verified that wearability of the invention is high chrome Cr263 times or more, toughness is better than high chrome, also compares high temperature certainly
Impact-resistant abrasion-proof steel is wear-resisting, also more wear-resisting than potassium steel, is a kind of newborn wear-resistant material, is very suitable at present chromium slag, steel both at home and abroad
The crushing of the high hardness minerals such as slag, glass, molybdenum slag, corundum, for the prior art compared with Publication No. CN 108220816A,
With significant progress.
3, of the invention, the deoxidier in step e is silico-calcium core-spun yarn, aluminum steel, aluminium manganese iron, steel-core-aluminium, calcium carbide or carbonization
Silicon, any such deoxidier of selection can be reacted with the oxygen dissolved in molten iron, mainly generate nonmetallic compound, it is heavy to be formed
Shallow lake floats up in slag blanket, and pure molten iron can be obtained by being removed, so as to guarantee the fundamental strength of abrasion-resistant stee.
4, of the invention, the diffusion nodularization in f step, which refers to, is heated to 1200 DEG C for the abrasion-resistant stee after step e moulding by casting,
And 1.5 hours are kept the temperature, and when then reducing the temperature to 750 DEG C, 2.5 hours are kept the temperature, it is finally cooling with resistance furnace, using such spy
Fixed temperature heating not only can guarantee that lamellar pearlite disappeared, but also can retain the carbide that a part is not completely dissolved in austenite, make
For nodularization core, the normal spherodized structure of coarseer granular carbide is ultimately formed, keeps chemical component uniform, improved resistance to
Grind the intensity of steel.
5, of the invention, obtained from the quenching in f step refers to the carbide that will be distributed on matrix after spreading nodularization
When abrasion-resistant stee is heated to 1130 DEG C, with i.e. its is air-cooled, the abrasion-resistant stee after being quenched can make overcooling austenite carry out martensite
Or bainite transformation, obtain martensite or bainite structure.
6, of the invention, the tempering in f step, which refers to, is reheated to 250 DEG C for quenched abrasion-resistant stee and to keep the temperature 3 small
When, continue to be heated to 350 DEG C and keep the temperature 3 hours, then proceedes to be heated to 400 DEG C and keep the temperature 3 hours, finally with resistance furnace sky
It is cold, it is tempered after abrasion-resistant stee, quenching stress can be eliminated, and make Transformation of Retained Austenite bainite and improve hardness, not
During the austenite of conversion is distributed between Malpighian layer, and then ensure wearability, hardness and the toughness of abrasion-resistant stee.
Detailed description of the invention
Fig. 1 is the metallograph that the micro- high chromium high boron wear-resisting steel of carbon of the present invention amplifies 50 times under metallographic microscope；
Fig. 2 is the metallograph that the micro- high chromium high boron wear-resisting steel of carbon of the present invention amplifies 500 times under metallographic microscope.
Specific embodiment
Embodiment 1
A kind of high chromium high boron wear-resisting steel of micro- carbon, is made of following raw material by weight percentage:
The high chromium high boron wear-resisting steel of micro- carbon under the proportion, can be prepared by by prior art processes.
Embodiment 2
A kind of high chromium high boron wear-resisting steel of micro- carbon, is made of following raw material by weight percentage:
The high chromium high boron wear-resisting steel of micro- carbon under the proportion, can be prepared by by prior art processes.
Embodiment 3
A kind of high chromium high boron wear-resisting steel of micro- carbon, is made of following raw material by weight percentage:
The high chromium high boron wear-resisting steel of micro- carbon under the proportion, can be prepared by by prior art processes.
Embodiment 4
A kind of preparation method of the high chromium high boron wear-resisting steel of micro- carbon, is successively made of following processing step:
A, determine that process goal value, weight percent proportion are as follows:
Carbon 0.10%, silicon 1.50%, manganese 0.80%, phosphorus 0.01%, sulphur 0.01%, chromium 9.00%, nickel 0.30%, molybdenum
0.10%, vanadium 0.10%, titanium 0.01%, boron 0.40%, copper 0.10%, aluminium 0.10%, niobium 0.02%, zirconium 0.02%, cerium
0.10%, tin 0.01%, magnesium 0.001%, calcium 0.001%, nitrogen 0.003%, rhenium 0.001% and iron surplus；
B, ingredient: choose scrap iron, steel scrap, cerium mischmetal and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium,
Zirconium, tin, magnesium, calcium, rhenium and nitrogen alloy；
C, melting: being first put into furnace bottom for the ingredient in b step and be lined in the intermediate frequency furnace of hot lime, then leads to intermediate frequency furnace low
Electric current, full load power transmission after ingredient preheating in intermediate frequency furnace, until ingredient fusing in intermediate frequency furnace；
D, sampling adjustment: by step c melt after ingredient sample, according to liquid medicine or spectrometer analysis measure silicon, manganese,
Chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and nitrogen weight percent content, and according in a step
Process goal value comparative analysis, be added steel scrap and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin,
Magnesium, calcium, rhenium and nitrogen alloy, adjustment containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and
Close to process goal value, the content that graphite adjustment carbon is added is matched close to process goal value, in intermediate frequency out the content proportion of nitrogen
The 5 minutes addition cerium mischmetals in stokehold, make the weight percent content of cerium reach process goal value；
E, moulding by casting: deoxidier is added when temperature is 1850 DEG C in the melt after Step d reaches process goal value,
Then go out intermediate frequency furnace；
F, it is heat-treated: the abrasion-resistant stee after step e moulding by casting is diffused nodularization, quench, tempering is got product.
It passes sequentially through and " a, determines process goal value, b, ingredient, c, melting, d, sampling adjustment, e, moulding by casting and f, heat
Processing ", using this specific processing step, by chromium control in 9.00-15.00%, quantitative chromium can generate M7C3、Cr23C6Change
Close object；It is applied with silicon, boron, tungsten and titanium, keeps austenite acquisition amount more；Cr can be generated simultaneously7C3Or Cr23C6Compound, and energy
Generate Fe2B compound makes up, Cr23C6It is not complete to be transformed into Cr7C3Compound promotes hardness, while the boron carbon compound of generation, tungsten
The compound hardness of molybdenum are much larger than Cr7C3Hardness, promote the hardness of hard alloy, reduce cost wear-resisting property；By boron control
For system in 0.40-0.80%, quantitative boron can improve harden ability, and can generate a large amount of Fe2B compound expands austenite and refines function
Energy；By manganese control in 0.80-3.0%, it can strengthen that matrix is rotten to be mingled with effect；Nitrogen is controlled in 0.003-0.025%, energy
It is anticorrosive but can with generate a large amount of high hard phases after aluminium, nickel, copper integration, while refining crystal grain again；It is obtained in heat treatment certain remaining
Austenite generates precipitation-hardening by heating treatment and martensite is uniformly distributed hard phase；After above-mentioned steps are handled, both
It is matrix that martensite, which can be obtained, and can make high hard alloy cpd Dispersed precipitate on matrix, and can make a small amount of paralympic mixing
In martensite, by appropriate Ni-based, the thin compound of nitrogen base stage, titanium-based forming core, prevent compound toward cyrystal boundary segregation；Further through
Manganese, copper, tin make matrix that lattice deformability occur, and promote matrix strength, further increase intensity, hardness, toughness to obtain one kind
The steel alloy of high abrasion, but also with the high-quality abrasion-resistant stee of appropriate toughness.It was verified that wearability of the invention is high chrome Cr26
3 times or more, toughness is better than high chrome.Certainly also more wear-resisting than high temperature impact-resistant abrasion-proof steel, it is also more wear-resisting than potassium steel, it is a kind of
Newborn wear-resistant material is very suitable at present the powder of the high hardness minerals such as chromium slag, steel slag, glass, molybdenum slag, corundum both at home and abroad
It is broken, for the prior art compared with Publication No. CN 108220816A, there is significant progress.
Embodiment 5
A kind of preparation method of the high chromium high boron wear-resisting steel of micro- carbon, is successively made of following processing step:
A, determine that process goal value, weight percent proportion are as follows:
Carbon 0.15%, silicon 2.00%, manganese 1.80%, phosphorus 0.02%, sulphur 0.02%, chromium 11.00%, nickel 1.50%, molybdenum
0.60%, vanadium 0.30%, tungsten 1.00%, titanium 0.06%, boron 0.60%, copper 0.30%, aluminium 0.20%, niobium 0.15%, zirconium
0.08%, cerium 0.30%, tin 0.11%, magnesium 0.002%, calcium 0.10%, nitrogen 0.005%, rhenium 0.002% and iron surplus；
B, ingredient: choose scrap iron, steel scrap, cerium mischmetal and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium,
Zirconium, tin, magnesium, calcium, rhenium and nitrogen alloy；
C, melting: being first put into furnace bottom for the ingredient in b step and be lined in the intermediate frequency furnace of hot lime, then leads to intermediate frequency furnace low
Electric current, full load power transmission after ingredient preheating in intermediate frequency furnace, until ingredient fusing in intermediate frequency furnace；
D, sampling adjustment: by step c melt after ingredient sample, according to liquid medicine or spectrometer analysis measure silicon, manganese,
Chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and nitrogen weight percent content, and according in a step
Process goal value comparative analysis, be added steel scrap and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin,
Magnesium, calcium, rhenium and nitrogen alloy, adjustment containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and
Close to process goal value, the content that graphite adjustment carbon is added is matched close to process goal value, in intermediate frequency out the content proportion of nitrogen
The 5 minutes addition cerium mischmetals in stokehold, make the weight percent content of cerium reach process goal value；
E, moulding by casting: deoxidier is added when temperature is 1850 DEG C in the melt after Step d reaches process goal value,
Then go out intermediate frequency furnace；
F, it is heat-treated: the abrasion-resistant stee after step e moulding by casting is diffused nodularization, quench, tempering is got product.
Deoxidier in the step e is silico-calcium core-spun yarn.
Embodiment 6
A kind of preparation method of the high chromium high boron wear-resisting steel of micro- carbon, is successively made of following processing step:
A, determine that process goal value, weight percent proportion are as follows:
Carbon 0.25%, silicon 3.00%, manganese 3.00%, phosphorus 0.03%, sulphur 0.03%, chromium 15.00%, nickel 3.00%, molybdenum
1.00%, vanadium 0.50%, tungsten 1.50%, titanium 0.10%, boron 0.80%, copper 0.40%, aluminium 0.30%, niobium 0.25%, zirconium
0.10%, cerium 0.50%, tin 0.15%, magnesium 0.003%, calcium 0.15%, nitrogen 0.025%, rhenium 0.005% and iron surplus；
B, ingredient: choose scrap iron, steel scrap, cerium mischmetal and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium,
Zirconium, tin, magnesium, calcium, rhenium and nitrogen alloy；
C, melting: being first put into furnace bottom for the ingredient in b step and be lined in the intermediate frequency furnace of hot lime, then leads to intermediate frequency furnace low
Electric current, full load power transmission after ingredient preheating in intermediate frequency furnace, until ingredient fusing in intermediate frequency furnace；
D, sampling adjustment: by step c melt after ingredient sample, according to liquid medicine or spectrometer analysis measure silicon, manganese,
Chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and nitrogen weight percent content, and according in a step
Process goal value comparative analysis, be added steel scrap and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin,
Magnesium, calcium, rhenium and nitrogen alloy, adjustment containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and
Close to process goal value, the content that graphite adjustment carbon is added is matched close to process goal value, in intermediate frequency out the content proportion of nitrogen
The 5 minutes addition cerium mischmetals in stokehold, make the weight percent content of cerium reach process goal value；
E, moulding by casting: deoxidier is added when temperature is 1850 DEG C in the melt after Step d reaches process goal value,
Then go out intermediate frequency furnace；
F, it is heat-treated: the abrasion-resistant stee after step e moulding by casting is diffused nodularization, quench, tempering is got product.
Deoxidier in the step e is aluminium manganese iron.
Diffusion nodularization in the f step, which refers to, is heated to 1200 DEG C for the abrasion-resistant stee after step e moulding by casting, and protects
Temperature 1.5 hours when then reducing the temperature to 750 DEG C, keeps the temperature 2.5 hours, finally cooling with resistance furnace.
Diffusion nodularization in f step, which refers to, is heated to 1200 DEG C for the abrasion-resistant stee after step e moulding by casting, and keeps the temperature 1.5
Hour, when then reducing the temperature to 750 DEG C, 2.5 hours are kept the temperature, it is finally cooling with resistance furnace, added using temperature specific in this way
Heat not only can guarantee that lamellar pearlite disappeared, but also can retain the carbide that a part is not completely dissolved in austenite, as nodularization core
The heart ultimately forms the normal spherodized structure of coarseer granular carbide, keeps chemical component uniform, improves the strong of abrasion-resistant stee
Degree.
Embodiment 7
A kind of preparation method of the high chromium high boron wear-resisting steel of micro- carbon, is successively made of following processing step:
A, determine that process goal value, weight percent proportion are as follows:
Carbon 0.25%, silicon 3.00%, manganese 3.00%, phosphorus 0.03%, sulphur 0.03%, chromium 15.00%, nickel 3.00%, molybdenum
1.00%, vanadium 0.50%, tungsten 1.50%, titanium 0.10%, boron 0.80%, copper 0.40%, aluminium 0.30%, niobium 0.25%, zirconium
0.10%, cerium 0.50%, tin 0.15%, magnesium 0.003%, calcium 0.15%, nitrogen 0.025%, rhenium 0.005% and iron surplus；
B, ingredient: choose scrap iron, steel scrap, cerium mischmetal and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium,
Zirconium, tin, magnesium, calcium, rhenium and nitrogen alloy；
C, melting: being first put into furnace bottom for the ingredient in b step and be lined in the intermediate frequency furnace of hot lime, then leads to intermediate frequency furnace low
Electric current, full load power transmission after ingredient preheating in intermediate frequency furnace, until ingredient fusing in intermediate frequency furnace；
D, sampling adjustment: by step c melt after ingredient sample, according to liquid medicine or spectrometer analysis measure silicon, manganese,
Chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and nitrogen weight percent content, and according in a step
Process goal value comparative analysis, be added steel scrap and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin,
Magnesium, calcium, rhenium and nitrogen alloy, adjustment containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and
Close to process goal value, the content that graphite adjustment carbon is added is matched close to process goal value, in intermediate frequency out the content proportion of nitrogen
The 5 minutes addition cerium mischmetals in stokehold, make the weight percent content of cerium reach process goal value；
E, moulding by casting: deoxidier is added when temperature is 1850 DEG C in the melt after Step d reaches process goal value,
Then go out intermediate frequency furnace；
F, it is heat-treated: the abrasion-resistant stee after step e moulding by casting is diffused nodularization, quench, tempering is got product.
Deoxidier in the step e is steel-core-aluminium.
Diffusion nodularization in the f step, which refers to, is heated to 1200 DEG C for the abrasion-resistant stee after step e moulding by casting, and protects
Temperature 1.5 hours when then reducing the temperature to 750 DEG C, keeps the temperature 2.5 hours, finally cooling with resistance furnace.
Quenching in the f step is wear-resisting obtained from referring to the carbide that will be distributed on matrix after spreading nodularization
When steel is heated to 1130 DEG C, with i.e. that its is air-cooled.
Abrasion-resistant stee obtained from quenching in f step refers to the carbide being distributed on matrix after spreading nodularization adds
When heat is to 1130 DEG C, with i.e. that its is air-cooled, the abrasion-resistant stee after being quenched can make overcooling austenite carry out martensite or bainite
Transformation, obtains martensite or bainite structure.
Embodiment 8
A kind of preparation method of the high chromium high boron wear-resisting steel of micro- carbon, is successively made of following processing step:
A, determine that process goal value, weight percent proportion are as follows:
Carbon 0.25%, silicon 3.00%, manganese 3.00%, phosphorus 0.03%, sulphur 0.03%, chromium 15.00%, nickel 3.00%, molybdenum
1.00%, vanadium 0.50%, tungsten 1.50%, titanium 0.10%, boron 0.80%, copper 0.40%, aluminium 0.30%, niobium 0.25%, zirconium
0.10%, cerium 0.50%, tin 0.15%, magnesium 0.003%, calcium 0.15%, nitrogen 0.025%, rhenium 0.005% and iron surplus；
B, ingredient: choose scrap iron, steel scrap, cerium mischmetal and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium,
Zirconium, tin, magnesium, calcium, rhenium and nitrogen alloy；
C, melting: being first put into furnace bottom for the ingredient in b step and be lined in the intermediate frequency furnace of hot lime, then leads to intermediate frequency furnace low
Electric current, full load power transmission after ingredient preheating in intermediate frequency furnace, until ingredient fusing in intermediate frequency furnace；
D, sampling adjustment: by step c melt after ingredient sample, according to liquid medicine or spectrometer analysis measure silicon, manganese,
Chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and nitrogen weight percent content, and according in a step
Process goal value comparative analysis, be added steel scrap and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin,
Magnesium, calcium, rhenium and nitrogen alloy, adjustment containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and
Close to process goal value, the content that graphite adjustment carbon is added is matched close to process goal value, in intermediate frequency out the content proportion of nitrogen
The 5 minutes addition cerium mischmetals in stokehold, make the weight percent content of cerium reach process goal value；
E, moulding by casting: deoxidier is added when temperature is 1850 DEG C in the melt after Step d reaches process goal value,
Then go out intermediate frequency furnace；
F, it is heat-treated: the abrasion-resistant stee after step e moulding by casting is diffused nodularization, quench, tempering is got product.
Deoxidier in the step e is silicon carbide.
Diffusion nodularization in the f step, which refers to, is heated to 1200 DEG C for the abrasion-resistant stee after step e moulding by casting, and protects
Temperature 1.5 hours when then reducing the temperature to 750 DEG C, keeps the temperature 2.5 hours, finally cooling with resistance furnace.
Quenching in the f step is wear-resisting obtained from referring to the carbide that will be distributed on matrix after spreading nodularization
When steel is heated to 1130 DEG C, with i.e. that its is air-cooled.
Tempering in the f step, which refers to, to be reheated to 250 DEG C for quenched abrasion-resistant stee and keeps the temperature 3 hours, is continued
It is heated to 350 DEG C and keeps the temperature 3 hours, then proceed to be heated to 400 DEG C and keep the temperature 3 hours, it is finally air-cooled with resistance furnace.
It passes sequentially through and " a, determines process goal value, b, ingredient, c, melting, d, sampling adjustment, e, moulding by casting and f, heat
Processing ", using this specific processing step, by chromium control in 9.00-15.00%, quantitative chromium can generate M7C3、Cr23C6Change
Close object；It is applied with silicon, boron, tungsten, molybdenum and titanium, keeps austenite acquisition amount more；Cr can be generated simultaneously7C3Or Cr23C6Compound, again
Fe can be generated2B compound makes up, Cr23C6It is not complete to be transformed into Cr7C3Compound, promotion hardness, while the boron carbon compound of generation,
The compound hardness of tungsten are much larger than Cr7C3Hardness, promote the hardness of hard alloy, reduce cost wear-resisting property；It will
In 0.40-0.80%, quantitative boron can improve harden ability, and can generate a large amount of Fe for boron control2It is thin to expand austenite for B compound
Change function；By manganese control in 0.80-3.0%, it can strengthen that matrix is rotten to be mingled with effect；Nitrogen is controlled in 0.003-
0.025%, can it is anticorrosive and can with generate a large amount of high hard phases after aluminium, nickel, copper integration, while refining crystal grain again；It is obtained in heat treatment
Certain retained austenite is obtained, precipitation-hardening is generated by heating treatment and martensite is uniformly distributed hard phase；By above-mentioned step
After rapid processing, martensite can be obtained and be matrix and make high hard alloy cpd Dispersed precipitate on matrix, and can be made
It is paralympic on a small quantity to be mixed in martensite, by appropriate Ni-based, the thin compound of nitrogen base stage, titanium-based forming core, prevent compound toward crystal boundary
Segregation；Make matrix that lattice deformability occur further through manganese, copper, tin, promotes matrix strength, mention intensity, hardness, toughness further
Height obtains the steel alloy of high abrasion a kind of, but also with the high-quality abrasion-resistant stee of appropriate toughness.It was verified that of the invention is wear-resisting
Property is high chrome Cr263 times or more, toughness is better than high chrome, certainly also more wear-resisting than high temperature impact-resistant abrasion-proof steel, also compares Gao Meng
Steel is wear-resisting, is a kind of newborn wear-resistant material, it is contour hard to be very suitable at present chromium slag, steel slag, glass, molybdenum slag, corundum both at home and abroad
The crushing for spending mineral for the prior art compared with Publication No. CN 108220816A, has significant progress.
Tempering in f step, which refers to, to be reheated to 250 DEG C for quenched abrasion-resistant stee and keeps the temperature 3 hours, continues to heat
To 350 DEG C and 3 hours are kept the temperature, then proceed to be heated to 400 DEG C and keeps the temperature 3 hours, it is finally air-cooled with resistance furnace, after tempered
Abrasion-resistant stee, quenching stress can be eliminated, and make Transformation of Retained Austenite bainite and improve hardness, not convert austenite
It is distributed between Malpighian layer, and then ensures wearability, hardness and the toughness of abrasion-resistant stee.
Embodiment 9
Leshan Tai Gang company is in the high chromium high boron wear-resisting steel of micro- carbon that will be obtained using present invention proportion on the 18th of August in 2018
(ZG25Cr11Si3W1B it) send to testing agency, DEC Dongfeng Electric Machinery Co., Ltd. and is detected, obtained after detecting
Mechanical test be reported as follows shown in table 1:
Table 1
In table 1:
Ballistic work is an index for measuring steel toughness, is that steel absorb plastic deformation work under impact loading
With the ability of work to break；
Hardness is the ability that steel locally resist that hard object is pressed into its surface.
Embodiment 10
Steel alloy that the prior art preparation of Publication No. CN 108220816A is obtained with using prior art processes
Or the high chromium high boron wear-resisting steel of micro- carbon that present invention process is prepared passes through MLD-100 type abrasive tester, rockwell hardness
Meter (HRC), JB230A shock machine carry out wear rate value, hardness number and toughness values under same test conditions respectively
Measurement, mechanical performance reduced parameter value are seen below shown in table 2:
Table 2.
Claims (9)
1. a kind of high chromium high boron wear-resisting steel of micro- carbon, which is characterized in that be made of following raw material by weight percentage:
2. a kind of micro- high chromium high boron wear-resisting steel of carbon according to claim 1, it is characterised in that: the carbon 0.10%, silicon
1.50%, manganese 0.80%, phosphorus 0.01%, sulphur 0.01%, chromium 9.00%, nickel 0.30%, molybdenum 0.10%, vanadium 0.10%, titanium
0.01%, boron 0.40%, copper 0.10%, aluminium 0.10%, niobium 0.02%, zirconium 0.02%, cerium 0.10%, tin 0.01%, magnesium
0.001%, calcium 0.001%, nitrogen 0.003%, rhenium 0.001% and iron surplus.
3. a kind of micro- high chromium high boron wear-resisting steel of carbon according to claim 1, it is characterised in that: the carbon 0.15%, silicon
2.00%, manganese 1.80%, phosphorus 0.02%, sulphur 0.02%, chromium 11.00%, nickel 1.50%, molybdenum 0.60%, vanadium 0.30%, tungsten
1.00%, titanium 0.06%, boron 0.60%, copper 0.30%, aluminium 0.20%, niobium 0.15%, zirconium 0.08%, cerium 0.30%, tin
0.11%, magnesium 0.002%, calcium 0.10%, nitrogen 0.005%, rhenium 0.002% and iron surplus.
4. a kind of micro- high chromium high boron wear-resisting steel of carbon according to claim 1, it is characterised in that: the carbon 0.25%, silicon
3.00%, manganese 3.00%, phosphorus 0.03%, sulphur 0.03%, chromium 15.00%, nickel 3.00%, molybdenum 1.00%, vanadium 0.50%, tungsten
1.50%, titanium 0.10%, boron 0.80%, copper 0.40%, aluminium 0.30%, niobium 0.25%, zirconium 0.10%, cerium 0.50%, tin
0.15%, magnesium 0.003%, calcium 0.15%, nitrogen 0.025%, rhenium 0.005% and iron surplus.
5. a kind of preparation method of micro- high chromium high boron wear-resisting steel of carbon according to claim 1, which is characterized in that successively by with
Lower processing step composition:
A, determine that process goal value, weight percent proportion are as follows:
The carbon of 0.10-0.25%, the silicon of 1.50-3.00%, the manganese of 0.80-3.00%, the phosphorus of < 0.04%, < 0.04%
Sulphur, the chromium of 9.00-15.00%, the nickel of 0.30-3.00%, the molybdenum of 0.10-1.00%, 0.10-0.50% vanadium, 0-1.50%
Tungsten, the titanium of 0.01-0.10%, the boron of 0.40-0.80%, the copper of 0.10-0.40%, the aluminium of 0.10-0.30%, 0.02-
0.25% niobium, the zirconium of 0.02-0.10%, the cerium of 0.10-0.50%, the tin of 0.01-0.15%, 0.001-0.003% magnesium,
The calcium of 0.001-0.15%, the nitrogen of 0.003-0.025%, the rhenium of 0.001-0.005% and the iron of surplus；
B, ingredient: choose scrap iron, steel scrap, cerium mischmetal and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin,
Magnesium, calcium, rhenium and nitrogen alloy；
C, melting: being first put into furnace bottom for the ingredient in b step and be lined in the intermediate frequency furnace of hot lime, then lead to low current to intermediate frequency furnace,
Full load power transmission after ingredient preheating in intermediate frequency furnace, until ingredient fusing in intermediate frequency furnace；
D, sampling adjustment: by step c melt after ingredient sample, according to liquid medicine or spectrometer analysis measure silicon, manganese, chromium, nickel,
Molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and nitrogen weight percent content, and according to the technique mesh in a step
Scale value comparative analysis, be added steel scrap and containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and
The alloy of nitrogen, content of the adjustment containing silicon, manganese, chromium, nickel, molybdenum, vanadium, tungsten, titanium, copper, aluminium, niobium, zirconium, tin, magnesium, calcium, rhenium and nitrogen are matched
Than the content proportion of graphite adjustment carbon being added close to process goal value, is added within 5 minutes before intermediate frequency furnace out close to process goal value
Cerium mischmetal makes the weight percent content of cerium reach process goal value；
E, moulding by casting: deoxidier is added when temperature is 1850 DEG C in the melt after Step d reaches process goal value, then goes out
Intermediate frequency furnace；
F, it is heat-treated: the abrasion-resistant stee after step e moulding by casting is diffused nodularization, quench, tempering is got product.
6. a kind of preparation method of micro- high chromium high boron wear-resisting steel of carbon according to claim 5, it is characterised in that: the e step
Deoxidier in rapid is silico-calcium core-spun yarn, aluminium manganese iron, steel-core-aluminium or silicon carbide.
7. a kind of preparation method of micro- high chromium high boron wear-resisting steel of carbon according to claim 5, it is characterised in that: the f step
Diffusion nodularization in rapid, which refers to, is heated to 1200 DEG C for the abrasion-resistant stee after step e moulding by casting, and keeps the temperature 1.5 hours, then will
When temperature drops to 750 DEG C, 2.5 hours are kept the temperature, it is finally cooling with resistance furnace.
8. a kind of preparation method of micro- high chromium high boron wear-resisting steel of carbon according to claim 5, it is characterised in that: the f step
When abrasion-resistant stee obtained from quenching in rapid refers to the carbide being distributed on matrix after spreading nodularization is heated to 1130 DEG C,
With i.e. that its is air-cooled.
9. a kind of preparation method of micro- high chromium high boron wear-resisting steel of carbon according to claim 5, it is characterised in that: the f step
Tempering in rapid, which refers to, to be reheated to 250 DEG C for quenched abrasion-resistant stee and keeps the temperature 3 hours, is continued to be heated to 350 DEG C and be protected
Temperature 3 hours then proceedes to be heated to 400 DEG C and keeps the temperature 3 hours, finally air-cooled with resistance furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638255.5A CN109825778A (en) | 2018-12-29 | 2018-12-29 | A kind of high chromium high boron wear-resisting steel of micro- carbon and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638255.5A CN109825778A (en) | 2018-12-29 | 2018-12-29 | A kind of high chromium high boron wear-resisting steel of micro- carbon and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109825778A true CN109825778A (en) | 2019-05-31 |
Family
ID=66860694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811638255.5A Pending CN109825778A (en) | 2018-12-29 | 2018-12-29 | A kind of high chromium high boron wear-resisting steel of micro- carbon and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109825778A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284048A (en) * | 2019-07-29 | 2019-09-27 | 沛县祥龙矿山机械配件有限公司 | A kind of ball mill high carbon and chromium high boron alloy steel ball and preparation method thereof |
| CN111534763A (en) * | 2020-06-22 | 2020-08-14 | 益阳金能新材料有限责任公司 | Wear-resistant alloy steel and preparation method thereof |
| CN113444983A (en) * | 2021-06-10 | 2021-09-28 | 江阴市万众精密机械有限公司 | Corrosion-resistant and weather-resistant gear ring for gear box coupling and preparation method thereof |
| CN115710674A (en) * | 2022-11-15 | 2023-02-24 | 沈阳工业大学 | Pitting corrosion resistant and easy-to-weld pipeline steel and preparation method thereof |
| PL442755A1 (en) * | 2022-11-07 | 2024-05-13 | Sieć Badawcza Łukasiewicz - Instytut Metalurgii Żelaza Im. Stanisława Staszica W Gliwicach | Heat-resistant martensitic steel and method of thermoplastic and heat treatment of heat-resistant martensitic steel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453386A (en) * | 2002-04-28 | 2003-11-05 | 舒克东 | Stainless steel ball |
| CN108929983A (en) * | 2017-05-23 | 2018-12-04 | 陈章华 | Low boron high chrome alloy steel of low-carbon and preparation method thereof |
-
2018
- 2018-12-29 CN CN201811638255.5A patent/CN109825778A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453386A (en) * | 2002-04-28 | 2003-11-05 | 舒克东 | Stainless steel ball |
| CN108929983A (en) * | 2017-05-23 | 2018-12-04 | 陈章华 | Low boron high chrome alloy steel of low-carbon and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 电力工业部物资局: "《电力工业常用金属材料手册第一册》", 31 August 1980, 电力工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284048A (en) * | 2019-07-29 | 2019-09-27 | 沛县祥龙矿山机械配件有限公司 | A kind of ball mill high carbon and chromium high boron alloy steel ball and preparation method thereof |
| CN111534763A (en) * | 2020-06-22 | 2020-08-14 | 益阳金能新材料有限责任公司 | Wear-resistant alloy steel and preparation method thereof |
| CN113444983A (en) * | 2021-06-10 | 2021-09-28 | 江阴市万众精密机械有限公司 | Corrosion-resistant and weather-resistant gear ring for gear box coupling and preparation method thereof |
| PL442755A1 (en) * | 2022-11-07 | 2024-05-13 | Sieć Badawcza Łukasiewicz - Instytut Metalurgii Żelaza Im. Stanisława Staszica W Gliwicach | Heat-resistant martensitic steel and method of thermoplastic and heat treatment of heat-resistant martensitic steel |
| CN115710674A (en) * | 2022-11-15 | 2023-02-24 | 沈阳工业大学 | Pitting corrosion resistant and easy-to-weld pipeline steel and preparation method thereof |
| CN115710674B (en) * | 2022-11-15 | 2023-09-12 | 沈阳工业大学 | Pitting-resistant pipeline steel easy to weld and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109825778A (en) | A kind of high chromium high boron wear-resisting steel of micro- carbon and preparation method thereof | |
| CA2913601C (en) | Method for the production of high-wear-resistance martensitic cast steel and steel with said characteristics | |
| CN109609851A (en) | A kind of high chromium high boron wear-resisting steel of middle carbon and preparation method thereof | |
| CN100453681C (en) | High boron wear-resisting casting steel and preparation process thereof | |
| CN103572172B (en) | Wear-resistant alloy steel and preparation method thereof | |
| CN108220816A (en) | A kind of low chromium shock resistance high-temperature antiwear alloy steel and preparation method thereof | |
| CN101240402B (en) | Cast high-boron high-speed steel for composite ring roller and heat treatment method thereof | |
| CN102383066B (en) | Abrasion resistant cast steel and preparation method thereof | |
| CN104822847B (en) | It is used to prepare the method for the cast steel with high-wearing feature and the steel with the characteristic | |
| CN102367558B (en) | A kind of pump boric low alloy wear resistant steel | |
| CN109402523A (en) | A kind of low-carbon high-chromium high boron wear-resisting steel and preparation method thereof | |
| CN108165880A (en) | A kind of middle chromium shock resistance high-temperature antiwear alloy steel and preparation method thereof | |
| CN108929983A (en) | Low boron high chrome alloy steel of low-carbon and preparation method thereof | |
| CN102534356A (en) | Wear-resistant white cast iron material and preparation method thereof | |
| CN106868420A (en) | One kind forging superhigh intensity low-alloy wear-resistant steel and preparation method thereof | |
| CN108315652B (en) | Inexpensive high-hardenability HB450 grades of cut deal wear-resisting steel plates and manufacturing method | |
| CN1276113C (en) | High boron foundry iron base anti-wear alloy and its heat treatment method | |
| CN106893941B (en) | A kind of low-alloy wear-resistant steel and its heat treatment method | |
| CN108950426A (en) | Chromium alloyed steel and preparation method thereof in the low boron of low-carbon | |
| CN111218540B (en) | High-boron iron-based wear-resistant alloy, preparation method and part thereof | |
| CN107400821A (en) | The rolling preparation method of Ultra-low carbon ductile iron abrading-ball | |
| CN108950427A (en) | Low boron low chrome steel of low-carbon and preparation method thereof | |
| CN105821312B (en) | Alloy wet ball mill liner plate and preparation method thereof in a kind of low-carbon (LC) | |
| CN105734398A (en) | High-boron and high-chromium white cast iron and preparation method thereof | |
| CN110106451A (en) | Carbon abrasion resistant cast steel and its heat treatment method in a kind of high silicon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190531 |
|
| RJ01 | Rejection of invention patent application after publication |