CN107746935B - A kind of high-strength abrasion-proof steel plate and its production technology - Google Patents
A kind of high-strength abrasion-proof steel plate and its production technology Download PDFInfo
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- CN107746935B CN107746935B CN201711014589.0A CN201711014589A CN107746935B CN 107746935 B CN107746935 B CN 107746935B CN 201711014589 A CN201711014589 A CN 201711014589A CN 107746935 B CN107746935 B CN 107746935B
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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
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
Abstract
The invention discloses a kind of high-strength abrasion-proof steel plate and its production technologies, the steel plate chemical component composition and mass percentage are as follows: C:0.24~0.41%, Si:0.10~0.45%, Mn:0.35~0.70%, P≤0.015%, S≤0.010%, Cr:0.20~0.45%, Mo:0.10~0.30%, V:0.01~0.03%, B:0.0005~0.0025%, Al:0.01~0.05%, surplus are Fe and inevitable impurity；Production technology includes: desulfurizing iron, just refining, LF refining, VD vacuum processing, continuous casting, steel billet cleaning, heating steel billet, controlled rolling, aligning, flaw detection, quenching, steel plate inspection, cutting, sampling, inspection, spray printing storage.Gained high-strength abrasion-proof steel plate of the invention, comprehensive mechanical property is excellent, suitable for using under strong wear working condition.
Description
Technical field
The invention belongs to wear-resisting steel plate manufacturing fields, more particularly, to a kind of high-strength abrasion-proof steel plate and its production technology.
Background technique
High-strength abrasion-proof steel plate is widely used in mining machinery, engineering machinery, vehicle as a kind of important steel products
, the fields such as ship, electric power, metallurgy, such as liquid bull-dozer, loading machine, excavator, dumper scratch board conveyor, crusher, screening
Machine etc..With economic rapid development, market is also increasing to the demand of high-strength abrasion-proof steel.
The hardness of Current Domestic common abrasion-resistant stee in the market is generally 300~500HBW, however large-scale multiple in order to extend
The service life of miscellaneous equipment wear parts or in the case where military service operating condition is especially severe, low level wear-resisting steel plate cannot
Meets the needs of downstream user, the wear-resisting steel plate of market in urgent need higher intensity and hardness reduces the abrasion loss of equipment, and extension makes
Use the service life.
Abrasion-resistant stee generally passes through reasonable carbon and alloying element design, is given birth to using controlled rolling and process of thermal treatment
It produces.It is distinguished from the angle of microstructure, mainly has austenite abrasion-proof steel, Bainite wear-resisting steel, martensite wear resistant steel etc. several big
Class, most commonly used at present is martensite wear resistant steel, and this abrasion-resistant stee, which mainly passes through, increases C and Cr, Mo, Ni, B, V, Ti
And the content of RE etc., the means such as phase transformation strengthening are made full use of to improve the intensity and wearability of abrasion-resistant stee, however are improved simply
Carbon content and the content of certain noble metals can bring the disadvantages of steel plate welding performance is poor, production cost is excessively high.
CN103194684A discloses a kind of wear-resisting steel plate, wherein containing noble metal Ni, and the mass percent of Mn element
It is 0.30~1.60%, hence it is evident that be higher than the present invention, this necessarily causes the cost of alloy of abrasion-resistant stee higher, and steel plate carbon equivalent is higher, shadow
Ring welding performance.
CN103160742A discloses a kind of wear-resisting steel plate and its manufacturing method, and wherein the mass percent of C element is
The mass percent of 0.60~0.75%, Mn element is 0.4~1.2%, and much higher than the present invention, this necessarily leads to carbon equivalent too
Height, steel plate welding performance are poor.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of high-strength abrasion-proof steel plate and its production technology, present invention productions
The advantage of lower cost of technique, and obtained product comprehensive mechanical property is preferable.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of high-strength abrasion-proof steel plate, the steel plate
Chemical component composition and its mass percentage are as follows: C:0.24~0.41%, Si:0.10~0.45%, Mn:0.35~0.70%, P
≤ 0.015%, S≤0.010%, Cr:0.20~0.45%, Mo:0.10~0.30%, V:0.01~0.03%, B:0.0005~
0.0025%, Al:0.01~0.05%, surplus are Fe and inevitable impurity.
Steel plate thickness of the present invention is 8~100mm, and finished product microstructure is tempered martensite.
Steel plate yield strength of the present invention 1470~1510MPa, 1890~2025MPa of tensile strength, Brinell hardness 627
~643HBW, elongation percentage A50% >=7%, -40 DEG C of 25~35J of impact of collision function.
The present invention also provides a kind of production technology of high-strength abrasion-proof steel plate, the production technology is comprised the following steps:
Desulfurizing iron, LF refining, VD vacuum processing, continuous casting, steel billet cleaning, heating steel billet, controlled rolling, aligning, detects a flaw, quenches at just refining
Fire, steel plate inspection, cutting, sampling, inspection, spray printing storage.
Heating steel billet process of the present invention, 1100~1240 DEG C of heating temperature, soaking time is 3.5~4.5min/cm.
Controlled rolling process of the present invention, using two-stage control rolling mill practice, using two-stage control rolling mill practice,
One stage be roughing, 1100~1150 DEG C of roughing start rolling temperature, 1000~1040 DEG C of finishing temperature, to temperature thickness >=finished product thickness
2 times.
Controlled rolling process of the present invention, using two-stage control rolling mill practice, the two-stage is finish rolling, finish rolling open rolling temperature
910~960 DEG C of degree, finishing temperature control is at 790~820 DEG C.
Heat treatment procedure of the present invention, 870~950 DEG C of hardening heat, soaking time is 1.8~2.5min/mm, is come out of the stove
Direct through hardening afterwards, hardening media are water.
Smelting procedure of the present invention, molten steel refine, depth deoxidation, desulfurization are according to target wanted through electric furnace smelting into LF furnace
It seeks adjustment molten steel composition, carries out Fruit storage when liquid steel temperature is up to 1620 DEG C.
Continuous casting working procedure of the present invention, thickness of strand 200-330mm.
The scientific design of the present invention content of carbon and microalloy element, passes through the refinement invigoration effect and control of microalloy element
It rolls and controls cold refinement strengthening effect, so that steel plate has the mechanics such as excellent intensity, hardness, elongation percentage, ballistic work and wearability
Performance.
The present invention is designed by reasonable ingredient, the strict control content of carbon and microalloy element, in ingredient design not
Including Ni, RE etc., the production cost of abrasion-resistant stee is significantly reduced.
Steel plate yield strength of the present invention 1470~1510MPa, 1890~2025MPa of tensile strength, Brinell hardness 627
~643HBW, elongation percentage A50% >=7%, -40 DEG C of 25~35J of impact of collision function.
High-strength abrasion-proof steel plate product standard of the present invention refers to " GB/T24186-2009 engineering machinery high-strength abrasion-proof
Steel plate ".
The beneficial effects of adopting the technical scheme are that being free of Ni, RE in 1, chemical component of the invention, greatly
Width reduces the content of other noble metals, significantly reduces the production cost of high-strength abrasion-proof steel plate.2, the present invention is using " control is rolled
The production technology of system+heat treatment ", high-strength abrasion-proof steel plate function admirable produced and uniformity is preferable can satisfy mine
The fields such as machinery, engineering machinery, vehicle, ship, electric power, the metallurgy demand increasingly stringent to wear-resisting steel plate.3, skill of the invention
Art scheme has very strong adaptability and promotional value, while cost performance with higher and good market prospects.4, it uses
The high-strength abrasion-proof steel plate comprehensive mechanical property of the method for the present invention production is excellent, and steel plate thickness covers 8~100mm, steel plate surrender
1470~1510MPa of intensity, 1890~2025MPa of tensile strength, 627~643HBW of Brinell hardness, elongation percentage A50% >=7%, -40
DEG C 25~35J of impact of collision function.
Detailed description of the invention
Fig. 1 is the micro-organization chart of 1 500 times of resulting high-strength abrasion-proof steel plate of embodiment；
Fig. 2 is the micro-organization chart of 2 500 times of resulting high-strength abrasion-proof steel plate of embodiment；
Fig. 3 is the micro-organization chart of 3 500 times of resulting high-strength abrasion-proof steel plate of embodiment；
Fig. 4 is the micro-organization chart of 4 500 times of resulting high-strength abrasion-proof steel plate of embodiment；
Fig. 5 is the micro-organization chart of 5 500 times of resulting high-strength abrasion-proof steel plate of embodiment.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
The high-strength abrasion-proof steel plate of the present embodiment 80mm thickness uses following chemical components and production technology.
Chemical component composition and its mass percentage are as follows: C:0.37%, Si:0.20%, Mn:0.60%, P:0.008%, S:
0.003%, Cr:0.29%, Mo:0.19%, V:0.015%, B:0.0015%, Al:0.03%, surplus be Fe and inevitably it is miscellaneous
Matter.
Production technology:
(1) molten steel refines, depth deoxidation, desulfurization through electric furnace smelting into LF furnace, according to target requires adjustment molten steel composition,
Fruit storage, continuous casting, the steel billet for obtaining thickness 300mm are carried out when liquid steel temperature is up to 1620 DEG C；
(2) heating and rolling process: 1240 DEG C of the heating temperature of steel billet, soaking time 4.0min/cm；The open rolling of roughing
1110 DEG C of temperature, 1035 DEG C of finishing temperature, to temperature thickness 160mm；920 DEG C of the start rolling temperature of finish rolling, 800 DEG C of finishing temperature；It rolls
Thermal straightening afterwards, it is air-cooled, obtain the steel plate of 80mm thickness；
(3) heat treatment procedure: the direct through hardening of steel plate, specifically comprises the processes of: 890 DEG C of hardening heat, soaking time 2.0min/
Mm, direct-water-quenching through hardening after coming out of the stove.
The present embodiment resulting high-strength abrasion-proof steel plate yield strength 1477MPa, tensile strength 1930MPa, elongation percentage A50%
=9%, Brinell hardness 639HBW, -40 DEG C of impact of collision function 27J；Such as Fig. 1 institute, the micro-organization chart of resulting high-strength abrasion-proof steel plate
Show, finished product microstructure is tempered martensite.
Embodiment 2
The high-strength abrasion-proof steel plate of the present embodiment 35mm thickness uses following chemical components and production technology.
Chemical component composition and its mass percentage are as follows: C:0.31%, Si:0.15%, Mn:0.53%, P:0.007%, S:
0.003%, Cr:0.31%, Mo:0.23%, V:0.013%, B:0.0017%, Al:0.034%, surplus be Fe and inevitably it is miscellaneous
Matter.
Production technology:
(1) molten steel refines, depth deoxidation, desulfurization through electric furnace smelting into LF furnace, according to target requires adjustment molten steel composition,
Fruit storage, continuous casting, the steel billet for obtaining thickness 300mm are carried out when liquid steel temperature is up to 1620 DEG C；
(2) heating and rolling process: 1230 DEG C of the heating temperature of steel billet, soaking time 4.0min/cm；The open rolling of roughing
1130 DEG C of temperature, 1020 DEG C of finishing temperature, to temperature thickness 70mm；960 DEG C of the start rolling temperature of finish rolling, 820 DEG C of finishing temperature；After rolling
Thermal straightening, it is air-cooled, obtain 35mm thickness steel plate；
(3) heat treatment procedure: the direct through hardening of steel plate, specifically comprises the processes of: 900 DEG C of hardening heat, soaking time 2.0min/
Mm, direct-water-quenching through hardening after coming out of the stove.
The present embodiment resulting high-strength abrasion-proof steel plate yield strength 1490MPa, tensile strength 1997MPa, elongation percentage A50%
=8%, Brinell hardness 631HBW, -40 DEG C of impact of collision function 29J；Such as Fig. 2 institute, the micro-organization chart of resulting high-strength abrasion-proof steel plate
Show, finished product microstructure is tempered martensite.
Embodiment 3
The high-strength abrasion-proof steel plate of the present embodiment 20mm thickness uses following chemical components and production technology.
Chemical component composition and its mass percentage are as follows: C:0.27%, Si:0.18%, Mn:0.50%, P:0.006%, S:
0.002%, Cr:0.27%, Mo:0.29%, V:0.015%, B:0.0010%, Al:0.027%, surplus be Fe and inevitably it is miscellaneous
Matter.
Production technology:
(1) molten steel refines, depth deoxidation, desulfurization through electric furnace smelting into LF furnace, according to target requires adjustment molten steel composition,
Fruit storage, continuous casting, the steel billet for obtaining thickness 200mm are carried out when liquid steel temperature is up to 1620 DEG C；
(2) heating and rolling process: 1235 DEG C of the heating temperature of steel billet, soaking time 4.5min/cm；The open rolling of roughing
1120 DEG C of temperature, 1035 DEG C of finishing temperature, to temperature thickness 55mm；943 DEG C of the start rolling temperature of finish rolling, 813 DEG C of finishing temperature；After rolling
Thermal straightening, it is air-cooled, obtain the steel plate of 20mm thickness；
(3) heat treatment procedure: the direct through hardening of steel plate, specifically comprises the processes of: 927 DEG C of hardening heat, soaking time is
2.25min/mm, direct-water-quenching through hardening after coming out of the stove.
The present embodiment resulting high-strength abrasion-proof steel plate yield strength 1494MPa, tensile strength 2013MPa, elongation percentage A50%
=7.5%, Brinell hardness 633HBW, -40 DEG C of impact of collision function 31J；The micro-organization chart of resulting high-strength abrasion-proof steel plate such as Fig. 3
Shown, finished product microstructure is tempered martensite.
Embodiment 4
The high-strength abrasion-proof steel plate of the present embodiment 8mm thickness uses following chemical components and production technology.
Chemical component composition and its mass percentage are as follows: C:0.24%, Si:0.45%, Mn:0.70%, P:0.009%, S:
0.010%, Cr:0.20%, Mo:0.10%, V:0.03%, B:0.0025%, Al:0.01%, surplus are Fe and inevitable impurity.
Production technology:
(1) molten steel refines, depth deoxidation, desulfurization through electric furnace smelting into LF furnace, according to target requires adjustment molten steel composition,
Fruit storage, continuous casting, the steel billet for obtaining thickness 250mm are carried out when liquid steel temperature is up to 1620 DEG C；
(2) heating and rolling process: 1100 DEG C of the heating temperature of steel billet, soaking time 4.4min/cm；The open rolling of roughing
1150 DEG C of temperature, 1040 DEG C of finishing temperature, to temperature thickness 20mm；920 DEG C of the start rolling temperature of finish rolling, 790 DEG C of finishing temperature；After rolling
Thermal straightening, it is air-cooled, obtain the steel plate of 8mm thickness；
(3) heat treatment procedure: the direct through hardening of steel plate, specifically comprises the processes of: 950 DEG C of hardening heat, soaking time 2.5min/
Mm, direct-water-quenching through hardening after coming out of the stove.
The present embodiment resulting high-strength abrasion-proof steel plate yield strength 1510MPa, tensile strength 2020MPa, elongation percentage A50%
=7%, Brinell hardness 643HBW, -40 DEG C of impact of collision function 25J；Such as Fig. 4 institute, the micro-organization chart of resulting high-strength abrasion-proof steel plate
Show, finished product microstructure is tempered martensite.
Embodiment 5
The high-strength abrasion-proof steel plate of the present embodiment 100mm thickness uses following chemical components and production technology.
Chemical component composition and its mass percentage are as follows: C:0.41%, Si:0.10%, Mn:0.35%, P:0.015%, S:
0.002%, Cr:0.45%, Mo:0.30%, V:0.01%, B:0.0005%, Al:0.05%, surplus are Fe and inevitable impurity.
Production technology:
(1) molten steel refines, depth deoxidation, desulfurization through electric furnace smelting into LF furnace, according to target requires adjustment molten steel composition,
Fruit storage, continuous casting, the steel billet for obtaining thickness 330mm are carried out when liquid steel temperature is up to 1620 DEG C；
(2) heating and rolling process: 1220 DEG C of the heating temperature of steel billet, soaking time 3.5min/cm；The open rolling of roughing
1100 DEG C of temperature, 1000 DEG C of finishing temperature, to temperature thickness 205mm；910 DEG C of the start rolling temperature of finish rolling, 820 DEG C of finishing temperature；It rolls
Thermal straightening afterwards, it is air-cooled, obtain the steel plate of 100mm thickness；
(3) heat treatment procedure: the direct through hardening of steel plate, specifically comprises the processes of: 870 DEG C of hardening heat, soaking time 1.8min/
Mm, direct-water-quenching through hardening after coming out of the stove.
The present embodiment resulting high-strength abrasion-proof steel plate yield strength 1470MPa, tensile strength 1890MPa, elongation percentage A50%
=11%, Brinell hardness 630HBW, -40 DEG C of impact of collision function 35J；The micro-organization chart of resulting high-strength abrasion-proof steel plate such as Fig. 5
Shown, finished product microstructure is tempered martensite.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (7)
1. a kind of high-strength abrasion-proof steel plate, which is characterized in that the steel plate chemical component composition and its mass percentage are as follows: C:
0.24~0.41%, Si:0.10~0.45%, Mn:0.35~0.70%, P≤0.015%, S≤0.010%, Cr:0.20~0.45%,
Mo:0.10~0.30%, V:0.01~0.03%, B:0.0005~0.0025%, Al:0.01~0.05%, surplus are Fe and can not
The impurity avoided；The steel plate yield strength 1470~1510MPa, 1890~2025MPa of tensile strength, Brinell hardness 627~
643HBW；The production technology of the steel plate comprises the following steps: desulfurizing iron, just refining, LF refining, VD vacuum processing, continuous casting, steel
Base cleaning, heating steel billet, controlled rolling, aligning, flaw detection, quenching, steel plate inspection, cutting, sampling, inspection, spray printing storage；It is described
Quenching process, 870~950 DEG C of hardening heat, soaking time is 1.8~2.5min/mm, direct through hardening, hardening media after coming out of the stove
For water；The controlled rolling process, using two-stage control rolling mill practice, a stage is roughing, roughing start rolling temperature 1100~
1150 DEG C, 1000~1040 DEG C of finishing temperature, to 2 times of temperature thickness >=finished product thickness；Two-stage is finish rolling, finish rolling start rolling temperature
910~960 DEG C, finishing temperature control is at 790~820 DEG C.
2. a kind of high-strength abrasion-proof steel plate according to claim 1, which is characterized in that the steel plate thickness be 8~
100mm；The steel plate finished product microstructure is tempered martensite.
3. a kind of high-strength abrasion-proof steel plate according to claim 1, which is characterized in that the steel plate elongation percentage A50%≥
7%, -40 DEG C of 25~35J of impact of collision function.
4. based on a kind of production technology of high-strength abrasion-proof steel plate described in claim 1-3 any one, which is characterized in that institute
State production technology to comprise the following steps: desulfurizing iron, just refining, LF refining, VD vacuum processing, continuous casting, steel billet cleaning, steel billet add
Heat, controlled rolling, aligning, flaw detection, quenching, steel plate inspection, cutting, sampling, inspection, spray printing storage；The quenching process, quenching
870~950 DEG C of temperature, soaking time is 1.8~2.5min/mm, and direct through hardening after coming out of the stove, hardening media is water；The control
Rolling process, using two-stage control rolling mill practice, a stage is roughing, 1100~1150 DEG C of roughing start rolling temperature, finish to gauge temperature
1000~1040 DEG C of degree, to 2 times of temperature thickness >=finished product thickness；Two-stage is finish rolling, 910~960 DEG C of finish rolling start rolling temperature, whole
Temperature control is rolled at 790~820 DEG C.
5. a kind of production technology of high-strength abrasion-proof steel plate according to claim 4, which is characterized in that the heating steel billet
Process, 1100~1240 DEG C of heating temperature, soaking time is 3.5~4.5min/cm.
6. a kind of production technology of high-strength abrasion-proof steel plate according to claim 4 or 5, which is characterized in that the just refining
Process, molten steel refine, depth deoxidation, desulfurization through electric furnace smelting into LF furnace, according to target require adjustment molten steel composition, molten steel temperature
Fruit storage is carried out when degree is up to 1620 DEG C.
7. a kind of production technology of high-strength abrasion-proof steel plate according to claim 4 or 5, which is characterized in that the continuous casting
Process, thickness of strand 200-330mm.
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| CN109518075A (en) * | 2018-11-01 | 2019-03-26 | 徐州华腾耐磨材料有限公司 | A kind of solid iron ball of high-strength abrasion-proof and its production technology |
| CN109182666A (en) * | 2018-11-12 | 2019-01-11 | 南京钢铁股份有限公司 | A kind of width thin gauge NM450 abrasion-resistant stee steel plate and manufacturing method |
| CN109848214A (en) * | 2018-12-27 | 2019-06-07 | 西南铝业（集团）有限责任公司 | A kind of blank and rolled plate manufacture craft |
| CN114672735A (en) * | 2022-04-12 | 2022-06-28 | 南京钢铁股份有限公司 | Wear-resistant steel with grade of 500HB or above and production method thereof |
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| CN104264072A (en) * | 2014-10-21 | 2015-01-07 | 山东钢铁股份有限公司 | 600HB (Brinell hardness) grade wear-resistant steel plate and preparation method thereof |
| JP2016160513A (en) * | 2015-03-04 | 2016-09-05 | Ｊｆｅスチール株式会社 | Wear-resistant steel sheet and production method therefor |
| CN104651735A (en) * | 2015-03-06 | 2015-05-27 | 武汉钢铁(集团)公司 | Low-alloy wear-resistant steel with toughness being more than 50J/cm<2> and production method thereof |
| CN105063497A (en) * | 2015-09-17 | 2015-11-18 | 东北大学 | High-wear-resistance high-machinability low-alloy wear-resistant steel plate and manufacturing method thereof |
| JP2017179426A (en) * | 2016-03-29 | 2017-10-05 | 新日鐵住金株式会社 | Abrasion proof steel sheet and manufacturing method therefor |
| CN106521361A (en) * | 2016-10-26 | 2017-03-22 | 舞阳钢铁有限责任公司 | High-performance wear resisting steel plate and production method thereof |
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