CN104278213A - Boron-containing ultrahigh-manganese steel - Google Patents
Boron-containing ultrahigh-manganese steel Download PDFInfo
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- CN104278213A CN104278213A CN201410349989.7A CN201410349989A CN104278213A CN 104278213 A CN104278213 A CN 104278213A CN 201410349989 A CN201410349989 A CN 201410349989A CN 104278213 A CN104278213 A CN 104278213A
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- manganese steel
- ultra
- high manganese
- boracic
- boron
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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
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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
- C22C38/04—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
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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
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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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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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
- 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
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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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
Abstract
The invention belongs to the field of metallurgy and specifically relates to boron-containing ultrahigh-manganese steel. The boron-containing ultrahigh-manganese steel comprises the following chemical components: 1.1wt%-1.4wt% of C, 0.3wt%-1.0wt% of Si, 16wt%-19wt% of Mn, 5.0wt%-25.0wt% of Cr, 4.0wt%-6.0wt% of Ni, 0.001wt%-0.1wt% of B, not more than 0.04wt% of P, not more than 0.1wt% of S and the balance of Fe. According to the boron-containing ultrahigh-manganese steel provided by the invention, by adding the boron, carbide particles in a structure are refined and the distribution is more uniformly dispersed. Under the condition of low impact abrasive wear, the relative wear resistance of the ultrahigh-manganese steel with the boron content of 0.0040% achieves 1.98.
Description
Technical field
The invention belongs to field of metallurgy, be specifically related to a kind of ultra-high manganese steel of boracic.
Background technology
Ultra-high manganese steel is as high-abrasive material, and at opposing thump, bear abrasive wear or the cutter skiving damage aspect of large pressure, the wear resistance of its excellence is that other materials is incomparable.This Work Hardening Characteristic of ultra-high manganese steel makes it be widely used in for a long time in the mechanized equipments such as metallurgy, mine, building materials, railway, electric power, coal.
Along with the development of modern industry, its wear-resistant accessory weighs several tons to tens tons, and net thickness is all at more than 10cm, and conventional ultra high manganese steel is difficult to meet application demand.Ultra-high manganese steel, under low shock load or low-stress, does not reach work hardening capacity, and the wear resistance of ultra-high manganese steel can not get good performance.Therefore, people add in ultra-high manganese steel micro-in done large quantifier elimination, to seek to improve further the mechanical property of ultra-high manganese steel, work hardening capacity and wear resistance.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of ultra-high manganese steel of boracic, overcome that existing ultra-high manganese steel exists under low shock load or low-stress, do not reach work hardening capacity, wear resistance can not get the defect better played.
In order to solve the problem, technical scheme provided by the invention:
A ultra-high manganese steel for boracic, is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.1 ~ 1.4wt%, Si0.3 ~ 1.0wt%, Mn16 ~ 19wt%, Cr5.0 ~ 25.0wt%, Ni4.0 ~ 6.0wt%, B0.001 ~ 0.1wt%, P≤0.04wt%, S≤0.1wt%, surplus is Fe.
A kind of ultra-high manganese steel of boracic, it is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.1 ~ 1.4wt%, Si0.3 ~ 1.0wt%, Mn16 ~ 19wt%, Cr5.0 ~ 25.0wt%, Ni4.0 ~ 6.0wt%, B0.012 ~ 0.23wt%, P≤0.04wt%, S≤0.1wt%, surplus is Fe.
The ultra-high manganese steel Boron contents of described boracic is 0.006wt%.
The ultra-high manganese steel Boron contents of described boracic is 0.003wt%.
The ultra-high manganese steel of a kind of boracic as claimed in claim 1 or 2 or 3 or 4, also containing rare earth element Ga in this steel, its content is 0.001 ~ 0.18wt%.
Advantageous Effects:
(1) boron add the carbide particle refinement made in tissue, and the even dispersion more that distributes.
(2) under low condition of impact abrasive, Boron contents is the ultra-high manganese steel of 0.0040%, and relative wear resistance reaches 1.98.
(3), when Boron contents is 0.0020%, after 1100 DEG C of water-tenacity treatment, over-all properties is better, and now HB=215, ak=191J/cm2, relative wear resistance is 1.46.
Specific embodiment party
Below in conjunction with embodiment, technical scheme of the present invention is further described in detail.
Embodiment 1
A ultra-high manganese steel for boracic, it is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.1wt%, Si0.3wt%, Mn16wt%, Cr5.0wt%, Ni4.0wt%, B0.001wt%, P0.04wt%, S0.1wt%, surplus is Fe.
Embodiment 2
A ultra-high manganese steel for boracic, it is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.4wt%, Si1.0wt%, Mn19wt%, Cr25.0wt%, Ni6.0wt%, B0.1wt%, P0.04wt%, S0.1wt%, surplus is Fe.
Embodiment 3
A ultra-high manganese steel for boracic, it is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.2wt%, Si0.8wt%, Mn16wt%, Cr22.0wt%, Ni5.0wt%, B0.02wt%, P0.04wt%, S0.1wt%, surplus is Fe.
Embodiment 4
A ultra-high manganese steel for boracic, it is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.2wt%, Si0.8wt%, Mn16wt%, Cr22.0wt%, Ni5.0wt%, B0.004wt%, P0.04wt%, S0.1wt%, surplus is Fe.
Embodiment 5
A ultra-high manganese steel for boracic, it is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.2wt%, Si0.8wt%, Mn16wt%, Cr22.0wt%, Ni5.0wt%, B0.002wt%, P0.04wt%, S0.1wt%, surplus is Fe.
Embodiment 6
A ultra-high manganese steel for boracic, is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.2wt%, Si0.8wt%, Mn16wt%, Cr22.0wt%, Ni5.0wt%, B0.002wt%, P0.04wt%, S0.1wt%, Ga0.001wt%.Surplus is Fe.
Embodiment 7
A ultra-high manganese steel for boracic, is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.2wt%, Si0.8wt%, Mn16wt%, Cr22.0wt%, Ni5.0wt%, B0.002wt%, P0.04wt%, S0.1wt%, Ga0.18wt%.Surplus is Fe.
Embodiment 8
A ultra-high manganese steel for boracic, is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.2wt%, Si0.8wt%, Mn16wt%, Cr22.0wt%, Ni5.0wt%, B0.002wt%, P0.04wt%, S0.1wt%, Ga0.12wt%.Surplus is Fe.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. the ultra-high manganese steel of a boracic, it is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.1 ~ 1.4wt%, Si0.3 ~ 1.0wt%, Mn16 ~ 19wt%, Cr5.0 ~ 25.0wt%, Ni4.0 ~ 6.0wt%, B0.001 ~ 0.1wt%, P≤0.04wt%, S≤0.1wt%, surplus is Fe.
2. the ultra-high manganese steel of a boracic, it is characterized in that the chemical composition of the ultra-high manganese steel of boracic is: C1.1 ~ 1.4wt%, Si0.3 ~ 1.0wt%, Mn16 ~ 19wt%, Cr5.0 ~ 25.0wt%, Ni4.0 ~ 6.0wt%, B0.012 ~ 0.23wt%, P≤0.04wt%, S≤0.1wt%, surplus is Fe.
3. the ultra-high manganese steel of a kind of boracic according to claim 2, is characterized in that: the ultra-high manganese steel Boron contents of described boracic is 0.006wt%.
4. the ultra-high manganese steel of a kind of boracic according to claim 2, is characterized in that: the ultra-high manganese steel Boron contents of described boracic is 0.003wt%.
5. the ultra-high manganese steel of a kind of boracic according to claim 1 or 2 or 3 or 4, is characterized in that: also containing rare earth element Ga in this steel, its content is 0.001 ~ 0.18wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410349989.7A CN104278213A (en) | 2014-07-22 | 2014-07-22 | Boron-containing ultrahigh-manganese steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410349989.7A CN104278213A (en) | 2014-07-22 | 2014-07-22 | Boron-containing ultrahigh-manganese steel |
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| Publication Number | Publication Date |
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| CN104278213A true CN104278213A (en) | 2015-01-14 |
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| CN201410349989.7A Pending CN104278213A (en) | 2014-07-22 | 2014-07-22 | Boron-containing ultrahigh-manganese steel |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55122858A (en) * | 1979-03-13 | 1980-09-20 | Daido Steel Co Ltd | High carbon high manganese steel with high machinability |
| CN1079513A (en) * | 1991-12-30 | 1993-12-15 | 浦项综合制铁株式会社 | Hadfield Steel and manufacturing process thereof with superior formability, intensity and weldability |
| JPH06136578A (en) * | 1992-10-29 | 1994-05-17 | Kawasaki Steel Corp | Method for descaling high manganese hot rolled steel |
| JPH0790496A (en) * | 1993-09-17 | 1995-04-04 | Sumitomo Metal Ind Ltd | Wear resistant double-layered steel tube for boiler and its production |
| CN1644744A (en) * | 2005-01-11 | 2005-07-27 | 东北大学 | Rare earth boron micro-alloyed high manganese steel |
-
2014
- 2014-07-22 CN CN201410349989.7A patent/CN104278213A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55122858A (en) * | 1979-03-13 | 1980-09-20 | Daido Steel Co Ltd | High carbon high manganese steel with high machinability |
| CN1079513A (en) * | 1991-12-30 | 1993-12-15 | 浦项综合制铁株式会社 | Hadfield Steel and manufacturing process thereof with superior formability, intensity and weldability |
| JPH06136578A (en) * | 1992-10-29 | 1994-05-17 | Kawasaki Steel Corp | Method for descaling high manganese hot rolled steel |
| JPH0790496A (en) * | 1993-09-17 | 1995-04-04 | Sumitomo Metal Ind Ltd | Wear resistant double-layered steel tube for boiler and its production |
| CN1644744A (en) * | 2005-01-11 | 2005-07-27 | 东北大学 | Rare earth boron micro-alloyed high manganese steel |
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Application publication date: 20150114 |