CN106191698A - A kind of New Hot Work Die Steel of alloying and preparation method thereof - Google Patents
A kind of New Hot Work Die Steel of alloying and preparation method thereof Download PDFInfo
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- CN106191698A CN106191698A CN201610681335.3A CN201610681335A CN106191698A CN 106191698 A CN106191698 A CN 106191698A CN 201610681335 A CN201610681335 A CN 201610681335A CN 106191698 A CN106191698 A CN 106191698A
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- alloying
- steel
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- 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
-
- 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
- C21D1/26—Methods of annealing
-
- 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
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
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- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Forging (AREA)
Abstract
The present invention discloses New Hot Work Die Steel of a kind of alloying and preparation method thereof, it is characterised in that the New Hot Work Die Steel of alloying is made up of, according to mass percent 5CrNiMoSr and alloying element Sb, being made up of following components and content: C is 0.51 0.56, Cr is 0.67 0.72, and Ni is 1.58 1.63, Mo is 0.21 0.27, and Si is 0.28 0.33, and Mn is 0.61 0.66, Sr is 0.49 0.51, P≤0.02, S≤0.02, Sb≤0.81, remaining is Fe, adds up to 100%.The present invention adds the alloying element Sb of different content and carries out alloying in New Hot Work Die Steel 5CrNiMoSr, is conducive to refining the microscopic structure of mould steel, improves resistance to room temperature and high-temperature wear behavior, high-temperature corrosion resistance performance and the thermal fatigue property of mould steel.
Description
Technical field
The present invention relates to metallurgical technology field, be specifically related to New Hot Work Die Steel and the preparation side thereof of a kind of alloying
Method.
Background technology
Mould is an important industry in modern manufacturing industry, and the quality of mold performance is not only related to the matter of industrial products
Amount, and entreprise cost is produced the most thousand of units up to ten thousand of the distant one set of die of material impact, tens the most millions of units at most.Heat
Make mould due to service condition badly, need more preferably anti-wear performance, high-temperature corrosion resistance performance and thermal fatigue property.Along with industry
The progress of technology and the raising of industrial products performance requirement, original hot-work die is often difficult to meet the market demand, compels to be essential
The performance of hot-work die to be improved.Hot die steel is the key factor affecting mold performance, therefore, improves hot die steel
Abrasion resistance properties, high-temperature corrosion resistance performance and thermal fatigue property, become a technical problem urgently to be resolved hurrily.
Summary of the invention
For solving the problem that prior art exists, the invention provides New Hot Work Die Steel and the system thereof of a kind of alloying
Preparation Method, it is possible to increase the resistance to room temperature of mould steel and high-temperature wear behavior, high-temperature corrosion resistance performance and thermal fatigue property.
For achieving the above object, the technical solution used in the present invention is:
The New Hot Work Die Steel of a kind of alloying, is made up of 5CrNiMoSr and alloying element Sb, according to mass percent, by
Following components and content composition: C be 0.51-0.56, Cr be 0.67-0.72, Ni be 1.58-1.63, Mo be 0.21-0.27, Si
For 0.28-0.33, Mn be 0.61-0.66, Sr be 0.49-0.51, P≤0.02, S≤0.02, Sb≤0.81, remaining is Fe, close
Meter 100%.
Further, the New Hot Work Die Steel of described a kind of alloying, following components according to mass percent be:
C be 0.53-0.55, Cr be 0.69-0.71, Ni be 1.60-1.62, Mo be 0.24-0.26, Si be that 0.30-0.31, Mn are
0.64-0.66, Sr are 0.49-0.51, P≤0.015, S≤0.015, Sb≤0.60, and remaining is Fe, add up to 100%.
Further, the New Hot Work Die Steel of described a kind of alloying, following components according to mass percent be:
C is 0.54, and Cr is 0.70, and Ni is 1.60, and Mo is 0.25, and Si is 0.31, and Mn is 0.65, and Sr is 0.50, P≤0.015, S≤
0.015, Sb≤0.60, remaining is Fe, adds up to 100%.
The preparation method of the New Hot Work Die Steel of a kind of alloying, comprises the following steps:
A, smelting: carry out dispensing according to the quality proportioning of the chemical composition of the New Hot Work Die Steel of above-mentioned alloying, be smelted into
Molten steel；
B, molten steel are cast as steel ingot: ingot mould preheats, and inject molten steel, are incubated 4 ~ 6 hours, make composition of steel homogenization, slow after the demoulding
Slow cool down makes annealing treatment, and rate of cooling is not more than 25 DEG C/h, is cooled to 500 ~ 550 DEG C；
C, forging: gained steel ingot is warming up to 100 DEG C ~ 1150 DEG C with the firing rate of heating 50 DEG C/h and thoroughly burns down full beginning
Forge, again calcine for 850 DEG C；
D, isothermal spheroidizing: with the firing rate of 60 ~ 80 DEG C/h, be warmed up to 830 ~ 930 DEG C, is incubated 3 ~ 6 hours；With
Stove is cooled to 750 DEG C, anneals 3 ~ 6 hours, to remove the stress produced in forging process, the most again with the speed of 50 DEG C/h
Cool to 450 ~ 500 DEG C with the furnace, air cooling of coming out of the stove.
Beneficial effects of the present invention:
The present invention adds alloying element antimony in New Hot Work Die Steel 5CrNiMoSr and carries out alloying, is conducive to refining mould
The microscopic structure of steel, improves resistance to room temperature and high-temperature wear behavior, high-temperature corrosion resistance performance and the thermal fatigue property of mould steel.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1
The New Hot Work Die Steel of a kind of alloying, is: C is 0.54 that Cr is 0.70, Ni according to mass percent by following components
Being 1.60, Mo is 0.25, and Si is 0.31, and Mn is 0.65, and Sr is 0.50, and P is 0.010, and S is 0.012, and Sb is 0.60, and Fe is
94.828。
Embodiment 2
The New Hot Work Die Steel of a kind of alloying, is: C is 0.54 that Cr is 0.70, Ni according to mass percent by following components
Being 1.60, Mo is 0.25, and Si is 0.31, and Mn is 0.65, and Sr is 0.50, and P is 0.013, and S is 0.008, and Sb is 0.20, and Fe is
94.828。
Embodiment 3
The New Hot Work Die Steel of a kind of alloying, is: C is 0.54 that Cr is 0.70, Ni according to mass percent by following components
Being 1.60, Mo is 0.25, and Si is 0.31, and Mn is 0.65, and Sr is 0.50, and P is 0.012, and S is 0.011, and Sb is 0.40, and Fe is
95.027。
Embodiment 4
The preparation method of the New Hot Work Die Steel of the alloying described in any one of embodiment 1 ~ 3, comprises the following steps:
A, smelting: carry out dispensing according to the quality proportioning of the chemical composition of the New Hot Work Die Steel of above-mentioned alloying, be smelted into
Molten steel；
B, molten steel are cast as steel ingot: ingot mould preheats, and inject molten steel, are incubated 5 hours, make composition of steel homogenization, after the demoulding slowly
Cooling makes annealing treatment, and rate of cooling is not more than 25 DEG C/h, is cooled to 550 DEG C；
C, forging: gained steel ingot is warming up to 100 DEG C with the heating firing rate of 50 DEG C/h and thoroughly burns down full beginning and forge, 850 DEG C
Again calcine；
D, isothermal spheroidizing: with the firing rate of 60 DEG C/h, be warmed up to 850 DEG C, is incubated 3 hours；Cool to the furnace
750 DEG C, anneal 4 hours, to remove the stress produced in forging process, cool to the furnace with the speed of 50 DEG C/h the most again
500 DEG C, air cooling of coming out of the stove.
The present invention adds alloying element antimony in New Hot Work Die Steel 5CrNiMoSr and carries out alloying, is conducive to refinement
The microscopic structure of mould steel, improves resistance to room temperature and high-temperature wear behavior, high-temperature corrosion resistance performance and the thermal fatigue of mould steel
Energy.
Material composition and the technical characterstic of the present invention have more than been shown and described.Skilled person will appreciate that of the industry,
The present invention is not restricted to the described embodiments, the principle that the present invention is simply described described in above-described embodiment and description,
Without departing from the spirit and scope, the present invention also has various changes and modifications, and these changes and improvements all fall
Enter in scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. the New Hot Work Die Steel of an alloying, it is characterised in that be made up of 5CrNiMoSr and alloying element Sb, according to
Mass percent, is made up of following components and content: C be 0.51-0.56, Cr be 0.67-0.72, Ni be that 1.58-1.63, Mo are
0.21-0.27, Si be 0.28-0.33, Mn be 0.61-0.66, Sr be 0.49-0.51, P≤0.02, S≤0.02, Sb≤0.81,
Remaining is Fe, adds up to 100%.
The New Hot Work Die Steel of a kind of alloying the most according to claim 1, it is characterised in that by following components according to
Mass percent is: C be 0.53-0.55, Cr be 0.69-0.71, Ni be 1.60-1.62, Mo be 0.24-0.26, Si be 0.30-
0.31, Mn be 0.64-0.66, Sr be 0.49-0.51, P≤0.015, S≤0.015, Sb≤0.60, remaining is Fe, add up to
100%。
3. according to the New Hot Work Die Steel of a kind of alloying described in claim 1 or 2 any one, it is characterised in that by
Following components according to mass percent is: C is 0.54, and Cr is 0.70, and Ni is 1.60, and Mo is 0.25, and Si is 0.31, and Mn is
0.65, Sr is 0.50, P≤0.015, S≤0.015, Sb≤0.60, and remaining is Fe, adds up to 100%.
4. according to described in any one of claim 1 ~ 3 the preparation method of New Hot Work Die Steel of a kind of alloying, it is special
Levy and be, comprise the following steps:
A, smelting: carry out dispensing according to the quality proportioning of the chemical composition of the New Hot Work Die Steel of above-mentioned alloying, be smelted into
Molten steel；
B, molten steel are cast as steel ingot: ingot mould preheats, and inject molten steel, are incubated 4 ~ 6 hours, make composition of steel homogenization, slow after the demoulding
Slow cool down makes annealing treatment, and rate of cooling is not more than 25 DEG C/h, is cooled to 500 ~ 550 DEG C；
C, forging: gained steel ingot is warming up to 100 DEG C ~ 1150 DEG C with the firing rate of heating 50 DEG C/h and thoroughly burns down full beginning
Forge, again calcine for 850 DEG C；
Isothermal spheroidizing: with the firing rate of 60 ~ 80 DEG C/h, is warmed up to 830 ~ 930 DEG C, is incubated 3 ~ 6 hours；With stove
Be cooled to 750 DEG C, anneal 3 ~ 6 hours, to remove the stress produced in forging process, the most again with the speed of 50 DEG C/h with
Stove is cooled to 450 ~ 500 DEG C, air cooling of coming out of the stove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610681335.3A CN106191698A (en) | 2016-08-18 | 2016-08-18 | A kind of New Hot Work Die Steel of alloying and preparation method thereof |
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| CN201610681335.3A CN106191698A (en) | 2016-08-18 | 2016-08-18 | A kind of New Hot Work Die Steel of alloying and preparation method thereof |
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| CN106191698A true CN106191698A (en) | 2016-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109576584A (en) * | 2018-12-24 | 2019-04-05 | 上海胜桀精密机械科技有限公司 | A kind of hot die steel and preparation method thereof |
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-
2016
- 2016-08-18 CN CN201610681335.3A patent/CN106191698A/en active Pending
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| CN101967608A (en) * | 2010-11-12 | 2011-02-09 | 上海大学 | Nitrogen-containing corrosion-resistance plastic die steel and preparation process thereof |
| CN103911556A (en) * | 2014-03-31 | 2014-07-09 | 江苏联峰能源装备有限公司 | Hot work die steel material and preparation method thereof |
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Non-Patent Citations (1)
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Cited By (1)
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Application publication date: 20161207 |