CN103014251A - Heat treatment process of anticorrosion steel plate - Google Patents
Heat treatment process of anticorrosion steel plate Download PDFInfo
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- CN103014251A CN103014251A CN 201210491869 CN201210491869A CN103014251A CN 103014251 A CN103014251 A CN 103014251A CN 201210491869 CN201210491869 CN 201210491869 CN 201210491869 A CN201210491869 A CN 201210491869A CN 103014251 A CN103014251 A CN 103014251A
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- steel plate
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- heat treatment
- thermal treatment
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Abstract
The invention discloses a heat treatment process of an anticorrosion steel plate The heat treatment process is characterized by comprising the following steps of: (1) preheat treatment: putting a steel plate into a heating furnace; raising the temperature of the heating furnace to 400-500 DEG C; (2) heat treatment: raising the temperature of the heating furnace placed with the steel plate to 900-1000 DEG C, and keeping for 2h; (3) quenching: cooling the steel plate which is taken out in the water; and (4) tempering: putting the quenched and cooled steel plate in a tempering furnace; and raising the temperature of the tempering furnace to 450-550 DEG C, and keeping for 0.5h. The steel plate after the heat treatment process disclosed by the invention is put in the air, so that the corrosion speed of the steel plate is reduced; and the heat treatment process is applied to the industrial production.
Description
Technical field
The present invention relates to the thermal treatment process used in a kind of industry.
Background technology
In the existing industrial production, steel plate all can be used in a lot of places, a lot of industrial equipmentss all are as shell with steel plate, internal structure also has a lot of local steel plates that use, in the daily life, the use of steel plate also is seen everywhere, but we can find, the situation that a lot of steel plates all can occur being corroded, be directed at us not only very not attractive in appearance in the process of using, more can cause the degradation of steel plate, may not reach the requirement of use, cause the damage of whole object, so the corrosion of steel plate is a problem that need to solve very soon.
Summary of the invention
The present invention is to the proposition of above problem, and a kind of thermal treatment process of research and design, and in order to after solving existing thermal treatment process steel plate hot being processed, the use procedure light plate is easy to cause the shortcoming of corrosion.The technique means that the present invention adopts is as follows:
A kind of thermal treatment process of anticorrosive steel plate is characterized in that comprising following processing step:
(1) thermal pretreatment: steel plate is put into process furnace, and the temperature of rising process furnace makes it to reach 400 ℃-500 ℃, passes into nitrogen as shielding gas, continues two hours;
(2) thermal treatment: the temperature that will be placed with the process furnace of steel plate rises to 900 ℃-1000 ℃, continues 2 hours;
(3) quench: the steel plate that takes out is put into water cool off, when steel billet temperature is down to 200 ℃-250 ℃, take out steel plate, air cooling is to room temperature;
(4) temper: the steel plate after the quench cooled is put into tempering stove, and the rising furnace temperature makes it to reach 450 ℃-550 ℃, continue 0.5 hour, take out the steel plate air blast cooling, when steel billet temperature drops to 60 ℃-80 ℃, evenly spray paraffin to surface of steel plate, air cooling is to room temperature.
Described steel plate is put into water with the steel plate that takes out and is cooled off in above-mentioned steps (4) is quenched, can also be oil cooling.
Compared with the prior art, the present invention has the following advantages:
1, uses during thermal treatment process preheating of the present invention nitrogen as shielding gas, prevented oxidation;
2, after the thermal treatment process tempering of the present invention, at surface of steel plate spraying paraffin, make surface of steel plate and extraneous corrosives isolated, avoided the corrosion of steel plate.
The present invention has simple, can be used for industrial mass manufacture, is suitable for the needs that large-scale industrial is produced, and has higher engineering using value, and it puts goods on the market and will produce significantly Social benefit and economic benefit.
Embodiment
Embodiment 1, and a kind of thermal treatment process of anticorrosive steel plate is characterized in that comprising following processing step:
(1) thermal pretreatment: steel plate is put into process furnace, and the temperature of rising process furnace makes it to reach 400 ℃-500 ℃, passes into nitrogen as shielding gas, continues two hours;
(2) thermal treatment: the temperature that will be placed with the process furnace of steel plate rises to 900 ℃-1000 ℃, continues 2 hours;
(3) quench: the steel plate that takes out is put into water cool off, when steel billet temperature is down to 200 ℃-250 ℃, take out steel plate, air cooling is to room temperature;
(4) temper: the steel plate after the quench cooled is put into tempering stove, and the rising furnace temperature makes it to reach 450 ℃-550 ℃, continue 0.5 hour, take out the steel plate air blast cooling, when steel billet temperature drops to 60 ℃-80 ℃, evenly spray paraffin to surface of steel plate, air cooling is to room temperature.
Described steel plate is put into water with the steel plate that takes out and is cooled off in above-mentioned steps (4) is quenched, can also be oil cooling.
Use nitrogen as shielding gas during thermal treatment process preheating of the present invention, prevented oxidation; After the tempering, at surface of steel plate spraying paraffin, make surface of steel plate and extraneous corrosives isolated, avoided the corrosion of steel plate.Can be used for industrial mass manufacture, be suitable for the needs that large-scale industrial is produced, have higher engineering using value, it puts goods on the market and will produce significantly Social benefit and economic benefit.
The above; only be the better embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (2)
1. the thermal treatment process of an anticorrosive steel plate is characterized in that comprising following processing step:
(1) thermal pretreatment: steel plate is put into process furnace, and the temperature of rising process furnace makes it to reach 400 ℃-500 ℃, passes into nitrogen as shielding gas, continues two hours;
(2) thermal treatment: the temperature that will be placed with the process furnace of steel plate rises to 900 ℃-1000 ℃, continues 2 hours;
(3) quench: the steel plate that takes out is put into water cool off, when steel billet temperature is down to 200 ℃-250 ℃, take out steel plate, air cooling is to room temperature;
(4) temper: the steel plate after the quench cooled is put into tempering stove, and the rising furnace temperature makes it to reach 450 ℃-550 ℃, continue 0.5 hour, take out the steel plate air blast cooling, when steel billet temperature drops to 60 ℃-80 ℃, evenly spray paraffin to surface of steel plate, air cooling is to room temperature.
2. the thermal treatment process of a kind of anticorrosive steel plate according to claim 1 is characterized in that: described steel plate is put into water with the steel plate that takes out and is cooled off in above-mentioned steps (4) is quenched, can also be oil cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210491869 CN103014251A (en) | 2012-11-27 | 2012-11-27 | Heat treatment process of anticorrosion steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210491869 CN103014251A (en) | 2012-11-27 | 2012-11-27 | Heat treatment process of anticorrosion steel plate |
Publications (1)
| Publication Number | Publication Date |
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| CN103014251A true CN103014251A (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210491869 Pending CN103014251A (en) | 2012-11-27 | 2012-11-27 | Heat treatment process of anticorrosion steel plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN103014251A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526007A (en) * | 2013-10-16 | 2014-01-22 | 南京钢铁股份有限公司 | Heat treatment process of medium-thickness non-quenched tempered plastic mold steel plate |
| CN104152666A (en) * | 2014-07-25 | 2014-11-19 | 南京钢铁股份有限公司 | Heat treatment process for producing high-quality die steel in car bottom furnace |
-
2012
- 2012-11-27 CN CN 201210491869 patent/CN103014251A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526007A (en) * | 2013-10-16 | 2014-01-22 | 南京钢铁股份有限公司 | Heat treatment process of medium-thickness non-quenched tempered plastic mold steel plate |
| CN103526007B (en) * | 2013-10-16 | 2015-05-27 | 南京钢铁股份有限公司 | Heat treatment process of medium-thickness non-quenched tempered plastic mold steel plate |
| CN104152666A (en) * | 2014-07-25 | 2014-11-19 | 南京钢铁股份有限公司 | Heat treatment process for producing high-quality die steel in car bottom furnace |
| CN104152666B (en) * | 2014-07-25 | 2016-06-08 | 南京钢铁股份有限公司 | A kind of car type furnace produces the Technology for Heating Processing of high-quality mould steel |
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Application publication date: 20130403 |