CN108060439A - A kind of preparation method of antiwear heat resisting low-alloy steel - Google Patents

A kind of preparation method of antiwear heat resisting low-alloy steel Download PDF

Info

Publication number
CN108060439A
CN108060439A CN201711245529.XA CN201711245529A CN108060439A CN 108060439 A CN108060439 A CN 108060439A CN 201711245529 A CN201711245529 A CN 201711245529A CN 108060439 A CN108060439 A CN 108060439A
Authority
CN
China
Prior art keywords
alloy
alloy steel
low
preparation
cobalt
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
Application number
CN201711245529.XA
Other languages
Chinese (zh)
Inventor
高欣
王军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ma'anshan Xinlong Special Steel Co Ltd
Original Assignee
Ma'anshan Xinlong Special Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ma'anshan Xinlong Special Steel Co Ltd filed Critical Ma'anshan Xinlong Special Steel Co Ltd
Priority to CN201711245529.XA priority Critical patent/CN108060439A/en
Publication of CN108060439A publication Critical patent/CN108060439A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C25D5/50—After-treatment of electroplated surfaces by heat-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

The invention belongs to low-alloy steel processing technique fields, more particularly to a kind of preparation method of antiwear heat resisting low-alloy steel, in low-alloy steel workpiece surface electronickelling copper-cobalt ternary alloy, the thickness of ambrose alloy cobalt ternary-alloy layer is 35 45 μm, then treated workpiece is buried in protection material, then put it into sealable heating furnace, under argon atmosphere, temperature for heat preservation 46 is small at 450 550 DEG C when, when then heating to that heat preservation 12 is small at 750 850 DEG C.The present invention has the following advantages compared with prior art：Product processing method is controllable in the present invention, products obtained therefrom stable quality, its wearability keeps preferable under the high temperature conditions, and case hardness significantly improves, and expands the application range of low-alloy steel.

Description

A kind of preparation method of antiwear heat resisting low-alloy steel
Technical field
The invention belongs to low-alloy steel processing technique fields, and in particular to a kind of preparation side of antiwear heat resisting low-alloy steel Method.
Background technology
The metal supporting part of automobile not only has higher requirement in structural strength and function, while is being machined Upper no less important, such requirement are not only to meet the primary condition that automobile uses, while are also that safe and reliable extend uses the longevity The guarantee of life in the prior art, produces the steel of auto parts machinery as common middle low content steel alloy, because these automobile metals are matched somebody with somebody Part is usually frequent moving component on function is used, and wear rate is very high, replaces frequently, adds maintenance cost, therefore, such as The wearability what improves low-alloy steel is extremely important, while in use, the heat resistance on surface can influence low-alloy steel Wearability, therefore, it is necessary to the disadvantages described above to low-alloy steel to study.
The content of the invention
The purpose of the present invention is being directed to the problem of existing, a kind of preparation method of antiwear heat resisting low-alloy steel is provided.
The present invention is achieved by the following technical solutions：A kind of preparation method of antiwear heat resisting low-alloy steel, in low conjunction Golden steel workpiece surface electronickelling copper-cobalt ternary alloy, the thickness of ambrose alloy cobalt ternary-alloy layer is 35-45 μm, then by above-mentioned processing Workpiece afterwards is buried in protection material, is then put it into sealable heating furnace, is 450- in temperature under argon atmosphere At 550 DEG C keep the temperature 4-6 it is small when, then heat at 750-850 DEG C keep the temperature 1-2 it is small when；
Wherein, the protection material includes the raw material of following parts by weight：8-12 parts of silica, 3-5 parts of magnesium phosphate, zinc oxide 2-6 Part, 1-5 parts of nano-titanium dioxide, 6-8 parts of sulfide aliphatic acid ester.
As further improvement of these options, low-alloy steel composition by weight percent：Carbon 0.25-0.28%, silicon 0.28-0.32%, manganese 0.65-0.68%, phosphorus 0.001-0.003%, sulphur 0.003-0.006%, aluminium 0.036-0.042%, chromium 0.22- 0.26%th, nickel 0.015-0.037%, molybdenum 0.018-0.024%, cobalt 0.022-0.025%, boron 0.013-0.015%, vanadium 0.0002- 0.0004%th, tungsten 0.08-0.12%, arsenic 0.0001-0.0003%, titanium 0.0005-0.0008%, niobium 0.004-0.008%, surplus are Iron and inevitable impurity.
As further improvement of these options, nickel sulfate hexahydrate, five water in the ambrose alloy cobalt ternary-alloy electroplate liquid Copper sulphate, the molal weight ratio of cobalt sulfate are 10:4:1, electroplating temperature is 34-37 DEG C, current density 2.3-2.8A/dm ²。
As further improvement of these options, the metal concentration of the ambrose alloy cobalt ternary-alloy electroplate liquid is 12- 30g/L。
As further improvement of these options, ball milling mixing under nitrogen atmosphere is expected before use in the protection, is mixed The grain size for closing powder is 20-600nm.
The present invention has the following advantages compared with prior art：Product processing method is controllable in the present invention, products obtained therefrom quality Stablize, by electronickelling copper-cobalt ternary alloy layer and on its surface protective layer is set to combine, can be formed its workpiece surface attached The good, protective layer of even density, ambrose alloy cobalt ternary-alloy can realize that protective layer is soaked with workpiece surface as transition zone Characteristic, protective layer are handled under appropriate hot conditions, can obtain the microstructure of hard phase, its is wear-resisting under the high temperature conditions Property keep preferable, case hardness significantly improves, and expands the application range of low-alloy steel.
Specific embodiment
Embodiment 1
A kind of preparation method of antiwear heat resisting low-alloy steel, in low-alloy steel workpiece surface electronickelling copper-cobalt ternary alloy, ambrose alloy The thickness of cobalt ternary-alloy layer is 40 μm, then treated workpiece is buried in protection material, then putting it into can In the heating furnace of sealing, under argon atmosphere, when heat preservation 5 is small at temperature is 500 DEG C, then heats at 800 DEG C and keep the temperature 1.5 Hour；
Wherein, the protection material includes the raw material of following parts by weight：0 part of silica 1,4 parts of magnesium phosphate, zinc oxide 4 part, nanometer 3 parts of titanium dioxide, 7 parts of sulfide aliphatic acid ester.
Wherein, low-alloy steel composition by weight percent：Carbon 0.27%, silicon 0.3%, manganese 0.66%, phosphorus 0.002%, sulphur 0.005%, Aluminium 0.038%, chromium 0.24%, nickel 0.024%, molybdenum 0.02%, cobalt 0.024%, boron 0.014%, vanadium 0.0003%, tungsten 0.1%, arsenic 0.0002%th, titanium 0.0005%, niobium 0.006%, surplus are iron and inevitable impurity.
Wherein, nickel sulfate hexahydrate, cupric sulfate pentahydrate, mole of cobalt sulfate in the ambrose alloy cobalt ternary-alloy electroplate liquid Mass ratio is 10:4:1, electroplating temperature is 36 DEG C, current density 2.5A/dm2；The gold of the ambrose alloy cobalt ternary-alloy electroplate liquid Category concentration is 20g/L.
Wherein, ball milling mixing under nitrogen atmosphere is expected before use in the protection, and the grain size of mixed-powder is 20-600nm.
Hardness determination is carried out to it, obtains its case hardness as HRC63, notched bar impact strength 142.8J/cm2, in temperature After when processing 24 is small under conditions of 200 DEG C, notched bar impact strength conservation rate is 99.9%.
Embodiment 2
A kind of preparation method of antiwear heat resisting low-alloy steel, in low-alloy steel workpiece surface electronickelling copper-cobalt ternary alloy, ambrose alloy The thickness of cobalt ternary-alloy layer is 35 μm, then treated workpiece is buried in protection material, then putting it into can In the heating furnace of sealing, under argon atmosphere, when heat preservation 4 is small at temperature is 550 DEG C, it is small to then heat to heat preservation 1 at 850 DEG C When；
Wherein, the protection material includes the raw material of following parts by weight：2 parts of silica 1,3 parts of magnesium phosphate, zinc oxide 2 part, nanometer 5 parts of titanium dioxide, 6 parts of sulfide aliphatic acid ester.
Wherein, low-alloy steel composition by weight percent：Carbon 0.25%, silicon 0.32%, manganese 0.65%, phosphorus 0.003%, sulphur 0.006%th, aluminium 0.036%, chromium 0.26%, nickel 0.015%, molybdenum 0.018%, cobalt 0.022%, boron 0.015%, vanadium 0.0004%, tungsten 0.08%th, arsenic 0.0001%, titanium 0.0005%, niobium 0.008%, surplus are iron and inevitable impurity.
Wherein, nickel sulfate hexahydrate, cupric sulfate pentahydrate, mole of cobalt sulfate in the ambrose alloy cobalt ternary-alloy electroplate liquid Mass ratio is 10:4:1, electroplating temperature is 34 DEG C, current density 2.3A/dm2；The gold of the ambrose alloy cobalt ternary-alloy electroplate liquid Category concentration is 30g/L.
Wherein, ball milling mixing under nitrogen atmosphere is expected before use in the protection, and the grain size of mixed-powder is 20-600nm.
Hardness determination is carried out to it, obtains its case hardness as HRC65, notched bar impact strength 143.5J/cm2, in temperature After when processing 24 is small under conditions of 200 DEG C, notched bar impact strength conservation rate is 99.9%.
Embodiment 3
A kind of preparation method of antiwear heat resisting low-alloy steel, in low-alloy steel workpiece surface electronickelling copper-cobalt ternary alloy, ambrose alloy The thickness of cobalt ternary-alloy layer is 45 μm, then treated workpiece is buried in protection material, then putting it into can In the heating furnace of sealing, under argon atmosphere, when heat preservation 6 is small at temperature is 450 DEG C, it is small to then heat to heat preservation 2 at 750 DEG C When；
Wherein, the protection material includes the raw material of following parts by weight：8 parts of silica, 5 parts of magnesium phosphate, zinc oxide 6 part, nanometer 1 part of titanium dioxide, 8 parts of sulfide aliphatic acid ester.
Wherein, low-alloy steel composition by weight percent：Carbon 0.28%, silicon 0.28%, manganese 0.68%, phosphorus 0.001%, sulphur 0.003%th, aluminium 0.042%, chromium 0.22%, nickel 0.037%, molybdenum 0.024%, cobalt 0.025%, boron 0.013%, vanadium 0.0002%, tungsten 0.12%th, arsenic 0.0003%, titanium 0.0008%, niobium 0.004%, surplus are iron and inevitable impurity.
Wherein, nickel sulfate hexahydrate, cupric sulfate pentahydrate, mole of cobalt sulfate in the ambrose alloy cobalt ternary-alloy electroplate liquid Mass ratio is 10:4:1, electroplating temperature is 37 DEG C, current density 2.8A/dm2；The gold of the ambrose alloy cobalt ternary-alloy electroplate liquid Category concentration is 12g/L.
Wherein, ball milling mixing under nitrogen atmosphere is expected before use in the protection, and the grain size of mixed-powder is 20-600nm.
Hardness determination is carried out to it, obtains its case hardness as HRC64, notched bar impact strength 142.5J/cm2, in temperature After when processing 24 is small under conditions of 200 DEG C, notched bar impact strength conservation rate is 99.9%.

Claims (5)

1. a kind of preparation method of antiwear heat resisting low-alloy steel, which is characterized in that electroplate ambrose alloy cobalt in low-alloy steel workpiece surface Ternary alloy three-partalloy, the thickness of ambrose alloy cobalt ternary-alloy layer is 35-45 μm, and treated workpiece then is buried in protection material It is interior, it then puts it into sealable heating furnace, under argon atmosphere, when heat preservation 4-6 is small at temperature is 450-550 DEG C, Then heat at 750-850 DEG C keep the temperature 1-2 it is small when；
Wherein, the protection material includes the raw material of following parts by weight：8-12 parts of silica, 3-5 parts of magnesium phosphate, zinc oxide 2-6 Part, 1-5 parts of nano-titanium dioxide, 6-8 parts of sulfide aliphatic acid ester.
A kind of 2. preparation method of antiwear heat resisting low-alloy steel as described in claim 1, which is characterized in that low-alloy steel ingredient weight Measure percentage：Carbon 0.25-0.28%, silicon 0.28-0.32%, manganese 0.65-0.68%, phosphorus 0.001-0.003%, sulphur 0.003- 0.006%th, aluminium 0.036-0.042%, chromium 0.22-0.26%, nickel 0.015-0.037%, molybdenum 0.018-0.024%, cobalt 0.022- 0.025%th, boron 0.013-0.015%, vanadium 0.0002-0.0004%, tungsten 0.08-0.12%, arsenic 0.0001-0.0003%, titanium 0.0005-0.0008%, niobium 0.004-0.008%, surplus are iron and inevitable impurity.
A kind of 3. preparation method of antiwear heat resisting low-alloy steel as described in claim 1, which is characterized in that the ambrose alloy cobalt ternary Nickel sulfate hexahydrate, cupric sulfate pentahydrate, the molal weight ratio of cobalt sulfate are 10 in alloy plating liquid:4:1, electroplating temperature is 34-37 DEG C, current density 2.3-2.8A/dm2.
A kind of 4. preparation method of antiwear heat resisting low-alloy steel as claimed in claim 3, which is characterized in that the ambrose alloy cobalt ternary The metal concentration of alloy plating liquid is 12-30g/L.
5. a kind of preparation method of antiwear heat resisting low-alloy steel as described in claim 1, which is characterized in that the protection material makes With preceding ball milling mixing under nitrogen atmosphere, the grain size of mixed-powder is 20-600nm.
CN201711245529.XA 2017-12-01 2017-12-01 A kind of preparation method of antiwear heat resisting low-alloy steel Pending CN108060439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711245529.XA CN108060439A (en) 2017-12-01 2017-12-01 A kind of preparation method of antiwear heat resisting low-alloy steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711245529.XA CN108060439A (en) 2017-12-01 2017-12-01 A kind of preparation method of antiwear heat resisting low-alloy steel

Publications (1)

Publication Number Publication Date
CN108060439A true CN108060439A (en) 2018-05-22

Family

ID=62136164

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711245529.XA Pending CN108060439A (en) 2017-12-01 2017-12-01 A kind of preparation method of antiwear heat resisting low-alloy steel

Country Status (1)

Country Link
CN (1) CN108060439A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109011267A (en) * 2018-06-26 2018-12-18 苏州海马消防设备制造有限公司 A kind of high temperature resistant fire box
CN110029377A (en) * 2019-05-15 2019-07-19 东南大学 A kind of long-wave band blacker-than-black is composite porous and preparation method thereof
CN111945194A (en) * 2020-08-03 2020-11-17 顺科新能源技术股份有限公司 Nickel alloy electroplating solution and electroplating method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN88210742U (en) * 1988-01-22 1988-12-07 山东省冶金设计研究院 Domestic health composite coating cooker
CN103562440A (en) * 2011-06-07 2014-02-05 Jx日矿日石金属株式会社 Liquid crystal polymer-copper clad laminate and copper foil used for liquid crystal polymer-copper clad laminate
CN104264041A (en) * 2014-09-28 2015-01-07 宝山钢铁股份有限公司 High-strength low-alloy hot-dip aluminized and galvanized steel strip and production method thereof
EP2985358B1 (en) * 2014-08-14 2017-05-03 KS Gleitlager GmbH Friction bearing composite material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN88210742U (en) * 1988-01-22 1988-12-07 山东省冶金设计研究院 Domestic health composite coating cooker
CN103562440A (en) * 2011-06-07 2014-02-05 Jx日矿日石金属株式会社 Liquid crystal polymer-copper clad laminate and copper foil used for liquid crystal polymer-copper clad laminate
EP2985358B1 (en) * 2014-08-14 2017-05-03 KS Gleitlager GmbH Friction bearing composite material
CN104264041A (en) * 2014-09-28 2015-01-07 宝山钢铁股份有限公司 High-strength low-alloy hot-dip aluminized and galvanized steel strip and production method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109011267A (en) * 2018-06-26 2018-12-18 苏州海马消防设备制造有限公司 A kind of high temperature resistant fire box
CN110029377A (en) * 2019-05-15 2019-07-19 东南大学 A kind of long-wave band blacker-than-black is composite porous and preparation method thereof
CN111945194A (en) * 2020-08-03 2020-11-17 顺科新能源技术股份有限公司 Nickel alloy electroplating solution and electroplating method

Similar Documents

Publication Publication Date Title
CN103556070B (en) High-wear-resisting stainless steel coffee maker material and preparation method thereof
CN108060439A (en) A kind of preparation method of antiwear heat resisting low-alloy steel
CN105849305B (en) Corrosion resistance and the hot-forming of welding property excellent use steel plate, profiled part and its manufacturing method
JP2020530877A (en) An iron-based alloy suitable for forming a coating having high hardness and corrosion resistance on a substrate, an article having a coating having high hardness and corrosion resistance, and a method for producing the same.
US20190055633A1 (en) Methods and compositions for improved low alloy high nitrogen steels
EP2476772A1 (en) High thermal diffusivity and high wear resistance tool steel
IL158081A (en) Stainless steel alloy and elongated strips formed thereof
EP2890823A2 (en) Cobalt alloys
KR101377251B1 (en) C+N austenitic stainless steel having good low-temperature toughness and a fabrication method or the same
KR102417003B1 (en) Cold work tool steel
WO2021208181A1 (en) Low-temperature, high-toughness, high-temperature, high-intensity and high-hardenability hot mold steel and preparation method therefor
CN109609845A (en) A kind of 500MPa grades of weathering steel and its production method
WO2023116217A1 (en) Iron-based alloy powder for plasma cladding, preparation method and plasma cladding method
CN106756619A (en) A kind of high-toughness high-strength abrasion-proof steel ball and preparation method thereof
CN108642391A (en) Martensitic stain less steel and preparation method thereof
CN105861957A (en) High-strength high-wear resistance alloy steel and preparation method thereof
CN106702252B (en) A kind of heat resistant and wear resistant alloy steel material and preparation method
CN108396232A (en) Middle carbon martensitic stainless steel and preparation method thereof
EP3034211A1 (en) A wear resistant tool steel produced by HIP
CN105925775B (en) A kind of production method of the corrosion resistance decoration composite deposite steel band of thickness≤0.1mm
CN101342648A (en) Iron-base alloy powder for high-pressure valve sealing surface weld deposit
CN110016588A (en) A kind of tensile strength is greater than the metastable β Titanium-alloy of 1300MPa
CN102703835B (en) Hot-work die steel for aluminum die-casting mould
CN106834864A (en) A kind of preparation method of tough ultra-high manganese steel base TiC/TiN steel bonded carbide high
CN111321356B (en) Laser additive manufacturing sink roller composite shaft sleeve and preparation method thereof

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20180522