CN112921246A - Preparation method of wear-resistant steel plate for mining machinery - Google Patents
Preparation method of wear-resistant steel plate for mining machinery Download PDFInfo
- Publication number
- CN112921246A CN112921246A CN201911238124.2A CN201911238124A CN112921246A CN 112921246 A CN112921246 A CN 112921246A CN 201911238124 A CN201911238124 A CN 201911238124A CN 112921246 A CN112921246 A CN 112921246A
- Authority
- CN
- China
- Prior art keywords
- temperature
- percent
- wear
- steel plate
- resistant steel
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- 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
- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- 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
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
Landscapes
- 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)
Abstract
The invention discloses a preparation method of a wear-resistant steel plate for mining machinery, which comprises the following components in percentage by weight: c: 0.5-0.6%, Si: 0.4-0.6%, W: 0.1-0.2%, V: 0.2 to 0.3%, Zr: 0.6-0.8%, Mo: 0.4-0.5%, Mn: 1.2 to 1.5 percent of Ti, 0.4 to 0.5 percent of Ti, less than or equal to 0.015 percent of P, less than or equal to 0.01 percent of S, and the balance of Fe and inevitable impurities; the preparation method comprises the following steps: smelting, smelting and adjusting the content of components, and controlling the tapping temperature to 1480-1520 ℃; casting, cooling the molten steel and casting into a blank; rolling, heating the blank to 1180-1200 ℃, wherein the initial rolling temperature is 1100-1150 ℃, and the temperature rise speed is controlled to be 10-15 ℃/s; the final rolling temperature is 870-; cooling to 350-400 ℃ after rolling; and (3) performing heat treatment, wherein the quenching temperature is 920-950 ℃, the tempering heat preservation temperature is 200-230 ℃, and the heat preservation time is 2-4 h. According to the preparation method of the wear-resistant steel plate for the mining machinery, the prepared wear-resistant steel plate has the characteristics of high strength, good wear resistance and the like.
Description
Technical Field
The invention relates to the technical field of wear-resistant materials, in particular to a preparation method of a wear-resistant steel plate for mining machinery.
Background
The wear-resistant steel is a wear-resistant material suitable for various wear working conditions, and is widely applied to various fields such as metallurgy, mines, building materials, electric power, railways, military affairs and the like, such as excavator bucket teeth, ball mill liners, crusher jaw plates, tractor track plates, fan mill impact plates, railway turnouts and the like; the hardness, abrasion resistance and toughness of the existing abrasion-resistant steel plate can not meet the requirements.
In view of the above, there is a need to provide a new wear-resistant material to solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preparation method of a wear-resistant steel plate for mining machinery, and the prepared wear-resistant steel plate has the characteristics of high strength, good wear resistance and the like.
In order to solve the problems, the technical scheme of the invention is as follows:
a preparation method of a wear-resistant steel plate for mining machinery comprises the following components in percentage by weight:
c: 0.5-0.6%, Si: 0.4-0.6%, W: 0.1-0.2%, V: 0.2 to 0.3%, Zr: 0.6-0.8%, Mo: 0.4-0.5%, Mn: 1.2 to 1.5 percent of Ti, 0.4 to 0.5 percent of Ti, less than or equal to 0.015 percent of P, less than or equal to 0.01 percent of S, and the balance of Fe and inevitable impurities;
the preparation method comprises the following steps:
smelting, smelting and adjusting the content of components, and controlling the tapping temperature to 1480-1520 ℃;
casting, cooling the molten steel and casting into a blank;
rolling, heating the blank to 1180-1200 ℃, wherein the initial rolling temperature is 1100-1150 ℃, and the temperature rise speed is controlled to be 10-15 ℃/s; the final rolling temperature is 870-; cooling to 350-400 ℃ after rolling;
and (3) performing heat treatment, wherein the quenching temperature is 920-950 ℃, the tempering heat preservation temperature is 200-230 ℃, and the heat preservation time is 2-4 h.
Further, the preparation method of the wear-resistant steel plate for the mine comprises the following steps:
smelting, smelting and adjusting the component content, and controlling the steel-producing temperature to be 1500 ℃;
casting, cooling the molten steel and casting into a blank;
rolling, heating the blank to 1200 ℃, wherein the initial rolling temperature is 1150 ℃, and the heating speed is controlled to be 15 ℃/s; the finishing temperature is 890 ℃, and the temperature rising speed is controlled to be 10 ℃/s; cooling to 350 ℃ after rolling;
and (4) performing heat treatment, wherein the quenching temperature is 920 ℃, the tempering heat preservation temperature is 200 ℃, and the heat preservation time is 2-4 h.
Further, the preparation method of the wear-resistant steel plate for mining machinery comprises the following components in percentage by weight:
c: 0.6%, Si: 0.6%, W: 0.1%, V: 0.3%, Zr: 0.8%, Mo: 0.5%, Mn: 1.2 percent of Ti, less than or equal to 0.5 percent of P, less than or equal to 0.015 percent of S, and the balance of Fe and inevitable impurities.
The preparation method of the wear-resistant steel plate for the mining machinery further comprises the following components in percentage by weight:
c: 0.5%, Si: 0.4%, W: 0.2%, V: 0.2%, Zr: 0.6%, Mo: 0.4%, Mn: 1.5 percent of Ti, less than or equal to 0.4 percent of P, less than or equal to 0.015 percent of S, and the balance of Fe and inevitable impurities.
The preparation method of the wear-resistant steel plate for mining machinery provided by the invention has the beneficial effects that: by optimizing the alloy material components of the wear-resistant steel plate and optimizing the temperature conditions of each process, the prepared wear-resistant steel plate for mining machinery has the characteristics of high hardness and good wear resistance, and the Brinell hardness value can reach 630-640 HB.
Detailed Description
The following description of the present invention is provided to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention and to make the above objects, features and advantages of the present invention more comprehensible.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The wear-resistant steel plate for the mining machinery comprises the following components in percentage by weight:
c: 0.6%, Si: 0.6%, W: 0.1%, V: 0.3%, Zr: 0.8%, Mo: 0.5%, Mn: 1.2 percent of Ti, less than or equal to 0.5 percent of P, less than or equal to 0.015 percent of S, and the balance of Fe and inevitable impurities.
The preparation method of the wear-resistant steel plate for mining machinery of the embodiment comprises the following steps:
(1) smelting, smelting and adjusting the component content, and controlling the steel-producing temperature to be 1500 ℃;
(2) casting, cooling the molten steel and casting into a blank;
(3) rolling, heating the blank to 1200 ℃, wherein the initial rolling temperature is 1150 ℃, and the heating speed is controlled to be 15 ℃/s; the finishing temperature is 890 ℃, and the temperature rising speed is controlled to be 10 ℃/s; cooling to 350 ℃ after rolling;
(4) and (4) performing heat treatment, wherein the quenching temperature is 920 ℃, the tempering heat preservation temperature is 200 ℃, and the heat preservation time is 2-4 h.
The wear-resistant steel sheet for mining machinery of the present example had a hardness of 630 HB.
Example 2
The wear-resistant steel plate for the mining machinery comprises the following components in percentage by weight:
c: 0.5%, Si: 0.4%, W: 0.2%, V: 0.2%, Zr: 0.6%, Mo: 0.4%, Mn: 1.5 percent of Ti, less than or equal to 0.4 percent of P, less than or equal to 0.015 percent of S, and the balance of Fe and inevitable impurities.
The preparation method of the wear-resistant steel plate for mining machinery of the embodiment comprises the following steps:
(1) smelting, smelting and adjusting the component content, and controlling the steel-producing temperature to 1480 ℃;
(2) casting, cooling the molten steel and casting into a blank;
(3) rolling, wherein the blank is heated to 1180 ℃, the initial rolling temperature is 1100 ℃, and the heating speed is controlled to be 10 ℃/s; the finishing temperature is 870 ℃, and the heating speed is controlled to be 5 ℃/s; cooling to 380 ℃ after rolling;
(4) and (4) performing heat treatment, wherein the quenching temperature is 950 ℃, the tempering heat preservation temperature is 230 ℃, and the heat preservation time is 2 hours.
The abrasion resistant steel sheet for mining machinery of the present example had a hardness of 635 HB.
Example 3
The wear-resistant steel plate for the mining machinery comprises the following components in percentage by weight:
c: 0.6%, Si: 0.5%, W: 0.2%, V: 0.3%, Zr: 0.7%, Mo: 0.5%, Mn: 1.3 percent of Ti, less than or equal to 0.4 percent of P, less than or equal to 0.015 percent of S, and the balance of Fe and inevitable impurities.
The preparation method of the wear-resistant steel plate for mining machinery of the embodiment comprises the following steps:
(1) smelting, smelting and adjusting the component content, and controlling the steel temperature to 1520 ℃;
(2) casting, cooling the molten steel and casting into a blank;
(3) rolling, wherein the blank is heated to 1190 ℃, the initial rolling temperature is 1130 ℃, and the heating speed is controlled to be 12 ℃/s; the final rolling temperature is 880 ℃, and the temperature rising speed is controlled to be 8 ℃/s; cooling to 400 ℃ after rolling;
(4) and (4) performing heat treatment, wherein the quenching temperature is 930 ℃, the tempering heat preservation temperature is 220 ℃, and the heat preservation time is 4 hours.
The wear-resistant steel sheet for mining machinery of the present example had a hardness of 640 HB.
The preparation method of the wear-resistant steel plate for mining machinery provided by the invention has the beneficial effects that: by optimizing the alloy material components of the wear-resistant steel plate and optimizing the temperature conditions of each process, the prepared wear-resistant steel plate for mining machinery has the characteristics of high hardness and good wear resistance, and the Brinell hardness value can reach 630-640 HB.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (4)
1. The preparation method of the wear-resistant steel plate for the mining machinery is characterized by comprising the following components in percentage by weight:
c: 0.5-0.6%, Si: 0.4-0.6%, W: 0.1-0.2%, V: 0.2 to 0.3%, Zr: 0.6-0.8%, Mo: 0.4-0.5%, Mn: 1.2 to 1.5 percent of Ti, 0.4 to 0.5 percent of Ti, less than or equal to 0.015 percent of P, less than or equal to 0.01 percent of S, and the balance of Fe and inevitable impurities;
the preparation method comprises the following steps:
smelting, smelting and adjusting the content of components, and controlling the tapping temperature to 1480-1520 ℃;
casting, cooling the molten steel and casting into a blank;
rolling, heating the blank to 1180-1200 ℃, wherein the initial rolling temperature is 1100-1150 ℃, and the temperature rise speed is controlled to be 10-15 ℃/s; the final rolling temperature is 870-; cooling to 350-400 ℃ after rolling;
and (3) performing heat treatment, wherein the quenching temperature is 920-950 ℃, the tempering heat preservation temperature is 200-230 ℃, and the heat preservation time is 2-4 h.
2. The method for producing a wear-resistant steel plate for mining machinery according to claim 1, comprising the steps of:
smelting, smelting and adjusting the component content, and controlling the steel-producing temperature to be 1500 ℃;
casting, cooling the molten steel and casting into a blank;
rolling, heating the blank to 1200 ℃, wherein the initial rolling temperature is 1150 ℃, and the heating speed is controlled to be 15 ℃/s; the finishing temperature is 890 ℃, and the temperature rising speed is controlled to be 10 ℃/s; cooling to 350 ℃ after rolling;
and (4) performing heat treatment, wherein the quenching temperature is 920 ℃, the tempering heat preservation temperature is 200 ℃, and the heat preservation time is 2-4 h.
3. The method for manufacturing a wear-resistant steel plate for mining machinery according to claim 1, wherein the wear-resistant steel plate is prepared from the following raw materials in percentage by weight:
c: 0.6%, Si: 0.6%, W: 0.1%, V: 0.3%, Zr: 0.8%, Mo: 0.5%, Mn: 1.2 percent of Ti, less than or equal to 0.5 percent of P, less than or equal to 0.015 percent of S, and the balance of Fe and inevitable impurities.
4. The method for manufacturing a wear-resistant steel plate for mining machinery according to claim 1, wherein the wear-resistant steel plate is prepared from the following raw materials in percentage by weight:
c: 0.5%, Si: 0.4%, W: 0.2%, V: 0.2%, Zr: 0.6%, Mo: 0.4%, Mn: 1.5 percent of Ti, less than or equal to 0.4 percent of P, less than or equal to 0.015 percent of S, and the balance of Fe and inevitable impurities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238124.2A CN112921246A (en) | 2019-12-06 | 2019-12-06 | Preparation method of wear-resistant steel plate for mining machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238124.2A CN112921246A (en) | 2019-12-06 | 2019-12-06 | Preparation method of wear-resistant steel plate for mining machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112921246A true CN112921246A (en) | 2021-06-08 |
Family
ID=76161384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238124.2A Withdrawn CN112921246A (en) | 2019-12-06 | 2019-12-06 | Preparation method of wear-resistant steel plate for mining machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112921246A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906587A (en) * | 2000-08-31 | 2010-12-08 | 杰富意钢铁株式会社 | Low carbon martensitic stainless steel and manufacture method thereof |
| CN110055462A (en) * | 2019-04-25 | 2019-07-26 | 东北大学 | A kind of super abrasion-resistant stee of double scale TiC particle complex intensifying low-alloy and its manufacturing method |
-
2019
- 2019-12-06 CN CN201911238124.2A patent/CN112921246A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906587A (en) * | 2000-08-31 | 2010-12-08 | 杰富意钢铁株式会社 | Low carbon martensitic stainless steel and manufacture method thereof |
| CN110055462A (en) * | 2019-04-25 | 2019-07-26 | 东北大学 | A kind of super abrasion-resistant stee of double scale TiC particle complex intensifying low-alloy and its manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102134682B (en) | Wear resistant steel plate | |
| CN103397275A (en) | Martensite series wear-resistant steel and preparation method thereof | |
| CN104480406A (en) | Low-alloy high-strength high-toughness steel plate and manufacturing method thereof | |
| CN109881089B (en) | High-strength wear-resistant steel and preparation method thereof | |
| CN101497971B (en) | High-strength hardened and tempered steel and production method thereof | |
| CN101016603A (en) | High-boron cast steel containing granular boride and preparing method thereof | |
| CN108998725A (en) | Track link rail 35MnBM steel and preparation method thereof | |
| CN112695253A (en) | Carbide-containing high-strength high-toughness bainite wear-resistant steel and preparation method thereof | |
| CN111411297B (en) | Alloyed high manganese steel frog and manufacturing process thereof | |
| CN106521361A (en) | High-performance wear resisting steel plate and production method thereof | |
| CN101492793B (en) | Medium-lower alloy abrasion resistant steel | |
| CN101338399A (en) | Carbides-free bainite wear resistant steel plate and production process thereof | |
| CN106702252B (en) | A kind of heat resistant and wear resistant alloy steel material and preparation method | |
| CN112921246A (en) | Preparation method of wear-resistant steel plate for mining machinery | |
| CN112899557A (en) | High-strength wear-resistant material for mining machinery | |
| CN112899556A (en) | Wear-resistant steel plate for mining machinery | |
| CN1827826A (en) | Multi-element alloyed ultra-high manganese hammer and preparation process thereof | |
| CN101597683B (en) | Method for processing wear resistance steel medium alloy lining board | |
| CN110541055B (en) | Production method of non-quenched and tempered high-strength wear-resistant steel for HB 450-grade track shoe | |
| CN105177366A (en) | Wear-resistant and corrosion-resistant aluminium alloy | |
| CN101512030A (en) | Temperature- stable cast iron alloy and use of said alloy | |
| CN104388808A (en) | Method for producing abrasion-resistant steel | |
| US1211826A (en) | Iron alloy. | |
| CN110144531A (en) | Cable steel alloy and production technology | |
| CN110423943B (en) | Superfine ball-milling lining plate 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210608 |