CN103484620A - Medium carbon steel quenching method - Google Patents
Medium carbon steel quenching method Download PDFInfo
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- CN103484620A CN103484620A CN201310444000.6A CN201310444000A CN103484620A CN 103484620 A CN103484620 A CN 103484620A CN 201310444000 A CN201310444000 A CN 201310444000A CN 103484620 A CN103484620 A CN 103484620A
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Abstract
The invention provides a medium carbon steel quenching method. The method comprises the following steps: (1) increasing the temperature of medium carbon steel to 400-420 DEG C along with a furnace and insulating for 20-30 min; then increasing the temperature to 700-720 DEG C and insulating for 20-30 min; increasing the temperature to 950-970 DEG C, and insulating for 3-5 hours; (2) quenching in water of 30-35 DEG C till the temperature of medium carbon steel ranges from 100 DEG C to 120 DEG C; (3) transferring the medium carbon steel to a tempering furnace, heating to 500-520 DEG C, insulating for 2-3 hours and air-cooling to the room temperature. The medium carbon steel obtained by the method has excellent wearing resistance.
Description
Technical field
The invention belongs to alloy heat treatment technics field, be specifically related to a kind of quenching method of medium carbon steel.
Background technology
Metal wear resistant material is the metallic substance of consumption maximum in industrial production.Steel alloy is the sector applications such as cement, mine, electric power, chemical industry the most a kind of metal wear resistant materials.For example, 1～August in 2011, cement output was 13.2 hundred million tons, thermal power plant is 1,000,000,000 tons with coal, cement and thermal power plant all must pulverize through high-abrasive material with coal, in addition, all kinds of mines such as iron, copper, gold, aluminium, nickel all must first be carried out ore fragmentation and pulverized and select fine ore again, and the high-abrasive material consumption of raw ore per ton all is about one kilogram of left and right, very surprising! And, in the application of high-abrasive material, steel alloy accounts for the overwhelming majority.
Mankind's limited resources have on earth not only been wasted in a large amount of consumption of metallic substance greatly, and seriously affect and industrially normally carry out, and increase cost, increase maintenance, reduce operation rate, increase labour intensity, waste of manpower, material resources.Along with the development of suitability for industrialized production, equipment maximizes increasingly, more and more urgent to the requirement of high-abrasive material.Therefore, create the hope that novel high-abrasive material is whole world material scientific worker.
The development of abrasion resistance material mainly contains two aspects: the one, and the research and development of new composition, plastics on new materials, this is a very long and difficult process; The 2nd, the research and development of new production process, this refers under the prerequisite of similar Chemical Composition, by different smeltings and thermal treatment process, and obtains better wear resisting property.The key of the quality of high-abrasive material quality is thermal treatment process, and excellent thermal treatment process is to reduce to consume, and raises the efficiency save energy, the most effectual way of the limited resources of preserving our planet.The thermal treatment process of prior art can not make medium carbon steel obtain good wear-resisting effect.
Summary of the invention
The present invention is directed to deficiency of the prior art, a kind of quenching method of medium carbon steel is provided, the medium carbon steel that application the method obtains possesses good wear resistance.
The invention provides a kind of quenching method of medium carbon steel, step is as follows:
(1), medium carbon steel is warming up to 400-420 ℃ with stove, insulation 20-30min; Be warming up to again 700-720 ℃, insulation 20-30min; Then be warming up to 950-970 ℃, insulation 3-5 hour;
(2), at 30-35 ℃ of quenching-in water, to the medium carbon steel temperature be 100-120 ℃;
(3), medium carbon steel is gone in tempering stove, be heated to 500-520 ℃, insulation 2-3 hour, air cooling is to room temperature.
Preferably, in step (1), medium carbon steel is warming up to 410 ℃ with stove, insulation 25min; Be warming up to again 710 ℃, insulation 25min; Then be warming up to 960 ℃, be incubated 4 hours.
Preferably, in step (2), at 32 ℃ of quenching-in waters, to the medium carbon steel temperature be 110 ℃.
Preferably, in step (3), medium carbon steel is gone in tempering stove, be heated to 510 ℃, be incubated 2.5 hours, air cooling is to room temperature.
Apply the medium carbon steel that method of the present invention obtains and possess good wear resistance.
Embodiment
Following embodiment is convenient to understand better the present invention, but does not limit the present invention.
embodiment 1
The quenching method step of medium carbon steel of the present invention is as follows:
(1), medium carbon steel is warming up to 410 ℃ with stove, insulation 25min; Be warming up to again 710 ℃, insulation 25min; Then be warming up to 960 ℃, be incubated 4 hours;
(2), at 32 ℃ of quenching-in waters, to the medium carbon steel temperature be 110 ℃;
(3), medium carbon steel is gone in tempering stove, be heated to 510 ℃, be incubated 2.5 hours, air cooling is to room temperature.
embodiment 2
The quenching method step of medium carbon steel of the present invention is as follows:
(1), medium carbon steel is warming up to 420 ℃ with stove, insulation 22min; Be warming up to again 710 ℃, insulation 25min; Then be warming up to 960 ℃, be incubated 4 hours;
(2), at 32 ℃ of quenching-in waters, to the medium carbon steel temperature be 115 ℃;
(3), medium carbon steel is gone in tempering stove, be heated to 510 ℃, be incubated 2 hours, air cooling is to room temperature.
embodiment 3
The quenching method step of medium carbon steel of the present invention is as follows:
(1), medium carbon steel is warming up to 400 ℃ with stove, insulation 22min; Be warming up to again 720 ℃, insulation 25min; Then be warming up to 960 ℃, be incubated 4 hours;
(2), at 35 ℃ of quenching-in waters, to the medium carbon steel temperature be 110 ℃;
(3), medium carbon steel is gone in tempering stove, be heated to 500 ℃, be incubated 3 hours, air cooling is to room temperature.
embodiment 4
The quenching method step of medium carbon steel of the present invention is as follows:
(1), medium carbon steel is warming up to 420 ℃ with stove, insulation 30min; Be warming up to again 700 ℃, insulation 20min; Then be warming up to 950 ℃, be incubated 3 hours;
(2), at 30 ℃ of quenching-in waters, to the medium carbon steel temperature be 100 ℃;
(3), medium carbon steel is gone in tempering stove, be heated to 520 ℃, be incubated 2 hours, air cooling is to room temperature.
embodiment 5
The quenching method step of medium carbon steel of the present invention is as follows:
(1), medium carbon steel is warming up to 410 ℃ with stove, insulation 30min; Be warming up to again 710 ℃, insulation 20min; Then be warming up to 955 ℃, be incubated 3 hours;
(2), at 35 ℃ of quenching-in waters, to the medium carbon steel temperature be 115 ℃;
(3), medium carbon steel is gone in tempering stove, be heated to 510 ℃, be incubated 2.5 hours, air cooling is to room temperature.
embodiment 6
The quenching method step of medium carbon steel of the present invention is as follows:
(1), medium carbon steel is warming up to 415 ℃ with stove, insulation 25min; Be warming up to again 700 ℃, insulation 25min; Then be warming up to 965 ℃, be incubated 4 hours;
(2), at 30 ℃ of quenching-in waters, to the medium carbon steel temperature be 115 ℃;
(3), medium carbon steel is gone in tempering stove, be heated to 515 ℃, be incubated 2.5 hours, air cooling is to room temperature.
embodiment 7
The quenching method step of medium carbon steel of the present invention is as follows:
(1), medium carbon steel is warming up to 405 ℃ with stove, insulation 25min; Be warming up to again 700 ℃, insulation 25min; Then be warming up to 955 ℃, be incubated 3 hours;
(2), at 30 ℃ of quenching-in waters, to the medium carbon steel temperature be 105 ℃;
(3), medium carbon steel is gone in tempering stove, be heated to 505 ℃, be incubated 2 hours, air cooling is to room temperature.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment, the present invention is had been described in detail, for a person skilled in the art, its technical scheme that still can put down in writing aforementioned each embodiment is modified, or part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. the quenching method of a medium carbon steel, step is as follows:
(1), medium carbon steel is warming up to 400-420 ℃ with stove, insulation 20-30min; Be warming up to again 700-720 ℃, insulation 20-30min; Then be warming up to 950-970 ℃, insulation 3-5 hour;
(2), at 30-35 ℃ of quenching-in water, to the medium carbon steel temperature be 100-120 ℃;
(3), medium carbon steel is gone in tempering stove, be heated to 500-520 ℃, insulation 2-3 hour, air cooling is to room temperature.
2. quenching method according to claim 1, is characterized in that: in step (1), medium carbon steel is warming up to 410 ℃ with stove, insulation 25min; Be warming up to again 710 ℃, insulation 25min; Then be warming up to 960 ℃, be incubated 4 hours.
3. quenching method according to claim 1 is characterized in that: in step (2), at 32 ℃ of quenching-in waters, to the medium carbon steel temperature be 110 ℃.
4. quenching method according to claim 1, it is characterized in that: in step (3), medium carbon steel is gone in tempering stove, be heated to 510 ℃, be incubated 2.5 hours, air cooling is to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444000.6A CN103484620A (en) | 2013-09-26 | 2013-09-26 | Medium carbon steel quenching method |
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| CN201310444000.6A CN103484620A (en) | 2013-09-26 | 2013-09-26 | Medium carbon steel quenching method |
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| CN101215671A (en) * | 2008-01-11 | 2008-07-09 | 北京工业大学 | Material capable of resisting zinc solution corrosive wear and manufacturing method thereof |
| CN102071365A (en) * | 2011-01-24 | 2011-05-25 | 曹志春 | High-wear-resistance rare earth titanium alloy material and heat treatment method thereof |
| CN102230140A (en) * | 2010-04-28 | 2011-11-02 | 鞍钢集团矿业公司 | Novel martensitic wear resistant steel and production technology for steel casting thereof |
| CN102345002A (en) * | 2011-09-28 | 2012-02-08 | 芜湖三联锻造有限公司 | Quenching method of medium carbon steel |
| CN102443744A (en) * | 2011-12-05 | 2012-05-09 | 无锡市东方抗磨工程有限公司 | Interrupted quenching heat treatment process for high-medium carbon alloy steel |
| CN103160729A (en) * | 2013-04-08 | 2013-06-19 | 内蒙古包钢钢联股份有限公司 | Medium-carbon microalloyed steel for engineering machinery caterpillar chain piece and production process thereof |
| CN103205650A (en) * | 2013-03-28 | 2013-07-17 | 宝山钢铁股份有限公司 | Steel plate with great heat and abrasion resistance and manufacturing method thereof |
| CN103276162A (en) * | 2013-05-24 | 2013-09-04 | 江苏双星特钢有限公司 | Heat-treatment machining method of wear-resistant medium alloy steel castings |
-
2013
- 2013-09-26 CN CN201310444000.6A patent/CN103484620A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173006A1 (en) * | 2002-03-12 | 2003-09-18 | Peppler William Joseph | Steel product and method for manufacturing |
| CN1990893A (en) * | 2005-12-28 | 2007-07-04 | 中集车辆（集团）有限公司 | Tube mill lining board and manufacturing method thereof |
| CN101215671A (en) * | 2008-01-11 | 2008-07-09 | 北京工业大学 | Material capable of resisting zinc solution corrosive wear and manufacturing method thereof |
| CN102230140A (en) * | 2010-04-28 | 2011-11-02 | 鞍钢集团矿业公司 | Novel martensitic wear resistant steel and production technology for steel casting thereof |
| CN102071365A (en) * | 2011-01-24 | 2011-05-25 | 曹志春 | High-wear-resistance rare earth titanium alloy material and heat treatment method thereof |
| CN102345002A (en) * | 2011-09-28 | 2012-02-08 | 芜湖三联锻造有限公司 | Quenching method of medium carbon steel |
| CN102443744A (en) * | 2011-12-05 | 2012-05-09 | 无锡市东方抗磨工程有限公司 | Interrupted quenching heat treatment process for high-medium carbon alloy steel |
| CN103205650A (en) * | 2013-03-28 | 2013-07-17 | 宝山钢铁股份有限公司 | Steel plate with great heat and abrasion resistance and manufacturing method thereof |
| CN103160729A (en) * | 2013-04-08 | 2013-06-19 | 内蒙古包钢钢联股份有限公司 | Medium-carbon microalloyed steel for engineering machinery caterpillar chain piece and production process thereof |
| CN103276162A (en) * | 2013-05-24 | 2013-09-04 | 江苏双星特钢有限公司 | Heat-treatment machining method of wear-resistant medium alloy steel castings |
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Application publication date: 20140101 |