CN103484618B - A kind of GCr15 Heat Treatment Of Steel method - Google Patents
A kind of GCr15 Heat Treatment Of Steel method Download PDFInfo
- Publication number
- CN103484618B CN103484618B CN201310443585.XA CN201310443585A CN103484618B CN 103484618 B CN103484618 B CN 103484618B CN 201310443585 A CN201310443585 A CN 201310443585A CN 103484618 B CN103484618 B CN 103484618B
- Authority
- CN
- China
- Prior art keywords
- stove
- gcr15
- cooled
- steel
- quenching
- 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.)
- Expired - Fee Related
Links
Abstract
The invention provides a kind of GCr15 Heat Treatment Of Steel method, step is as follows: (1), first GCr15 steel is heated to 960-980 DEG C, heating 30-50min; Then in stove, be cooled to 800-820 DEG C to be incubated 3-4 hour; Afterwards GCr15 steel is warming up to again 900-920 DEG C of insulation 20-30min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove; (2), 900-920 DEG C is heated to, quenching; (3) low-temperaturetempering process is carried out when, being cooled to 160-180 DEG C.Apply heat treating method of the present invention, GCr15 steel obtains the mechanical properties such as good intensity, hardness, effectively improves the over-all properties of GCr15 steel.
Description
Technical field
The invention belongs to technical field of heat treatment, be specifically related to a kind of GCr15 Heat Treatment Of Steel method.
Background technology
GCr15 steel is the less high-carbon-chromium bearing steel of a kind of alloy content, because it has height and uniform hardness, good wear resistance, high contact fatigue property and be widely used in each class bearing after quenching adds tempering.
After GCr15 steel forges by normal technological specification, usually also need to carry out follow-up thermal treatment.In general, thermal treatment comprises pre-treatment and process eventually; Conventional pretreatment technology is Spheroidizing Annealing, and whole treatment process is quenching, low-temperaturetempering.Common Gcr15 steel carbide annealing process is 780-810 DEG C of heating 2-3h, 710-730 DEG C of isothermal 4-5h, and stove is chilled to less than 650 DEG C air coolings of coming out of the stove, and whole treatment process parameter is after 820-840 DEG C of oil quenching, 150-200 DEG C of low-temperaturetempering.Under this thermal treatment process, the mechanical properties such as good intensity, hardness can be obtained, the service requirements of general component can be met, but its over-all properties still dislikes not enough in special and severe environment, significantly limit the application of material.
Summary of the invention
The invention provides a kind of GCr15 Heat Treatment Of Steel method, utilize the method can improve the comprehensive mechanical property of GCr15 steel.
The invention provides a kind of GCr15 Heat Treatment Of Steel method, step is as follows:
1), first GCr15 steel is heated to 960-980 DEG C, heating 30-50min; Then in stove, be cooled to 800-820 DEG C to be incubated 3-4 hour; Afterwards GCr15 steel is warming up to again 900-920 DEG C of insulation 20-30min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove;
2), 900-920 DEG C is heated to, quenching;
3) low-temperaturetempering process is carried out when, being cooled to 160-180 DEG C.
Preferably, GCr15 steel is first heated to 970 DEG C in (1) by step, heating 40min; Then in stove, be cooled to 810 DEG C to be incubated 3 hours; Afterwards GCr15 steel is warming up to again 910 DEG C of insulation 25min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove.
Preferably, described in step (2), the medium of quenching is quenching oil, and the temperature of described quenching is 40-50 DEG C.
Preferably, described in step (2), the temperature of quenching is 45 DEG C.
Preferably, in step (3), the time of tempering is 1-2 hour.
Preferably, in step (3), the time of tempering is 1.5 hours.
Apply heat treating method of the present invention, GCr15 steel obtains the mechanical properties such as good intensity, hardness, effectively improves the over-all properties of GCr15 steel.
Embodiment
Following embodiment is convenient to understand the present invention better, but does not limit the present invention.
embodiment 1
A kind of GCr15 Heat Treatment Of Steel method of the present invention, step is as follows:
1), first GCr15 steel is heated to 970 DEG C, heating 40min; Then in stove, be cooled to 810 DEG C to be incubated 3 hours; Afterwards GCr15 steel is warming up to again 910 DEG C of insulation 25min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove;
2), be heated to 910 DEG C, quench with quenching oil, quenching temperature is 45 DEG C;
3), carry out low-temperaturetempering process when being cooled to 170 DEG C, tempering time is 1.5 hours.
embodiment 2
A kind of GCr15 Heat Treatment Of Steel method of the present invention, step is as follows:
1), first GCr15 steel is heated to 980 DEG C, heating 30min; Then in stove, be cooled to 800 DEG C to be incubated 3.5 hours; Afterwards GCr15 steel is warming up to again 900 DEG C of insulation 20min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove;
2), be heated to 900 DEG C, quench with quenching oil, quenching temperature is 40 DEG C;
3), carry out low-temperaturetempering process when being cooled to 160 DEG C, tempering time is 2 hours.
embodiment 3
A kind of GCr15 Heat Treatment Of Steel method of the present invention, step is as follows:
1), first GCr15 steel is heated to 960 DEG C, heating 50min; Then in stove, be cooled to 820 DEG C to be incubated 4 hours; Afterwards GCr15 steel is warming up to again 920 DEG C of insulation 30min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove;
2), be heated to 920 DEG C, quench with quenching oil, quenching temperature is 50 DEG C;
3), carry out low-temperaturetempering process when being cooled to 180 DEG C, tempering time is 1 hour.
embodiment 4
A kind of GCr15 Heat Treatment Of Steel method of the present invention, step is as follows:
1), first GCr15 steel is heated to 960 DEG C, heating 50min; Then in stove, be cooled to 820 DEG C to be incubated 4 hours; Afterwards GCr15 steel is warming up to again 900 DEG C of insulation 30min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove;
2), be heated to 920 DEG C, quench with quenching oil, quenching temperature is 40 DEG C;
3), carry out low-temperaturetempering process when being cooled to 160 DEG C, tempering time is 1 hour.
embodiment 5
A kind of GCr15 Heat Treatment Of Steel method of the present invention, step is as follows:
1), first GCr15 steel is heated to 960 DEG C, heating 50min; Then in stove, be cooled to 800 DEG C to be incubated 4 hours; Afterwards GCr15 steel is warming up to again 900 DEG C of insulation 30min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove;
2), be heated to 910 DEG C, quench with quenching oil, quenching temperature is 50 DEG C;
3), carry out low-temperaturetempering process when being cooled to 160 DEG C, tempering time is 1.5 hours.
embodiment 6
A kind of GCr15 Heat Treatment Of Steel method of the present invention, step is as follows:
(1), first GCr15 steel is heated to 970 DEG C, heating 50min; Then in stove, be cooled to 820 DEG C to be incubated 4 hours; Afterwards GCr15 steel is warming up to again 900 DEG C of insulation 30min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove;
(2), be heated to 910 DEG C, quench with quenching oil, quenching temperature is 45 DEG C;
(3), carry out low-temperaturetempering process when being cooled to 170 DEG C, tempering time is 2 hours.
embodiment 7
A kind of GCr15 Heat Treatment Of Steel method of the present invention, step is as follows:
(1), first GCr15 steel is heated to 965 DEG C, heating 50min; Then in stove, be cooled to 805 DEG C to be incubated 4 hours; Afterwards GCr15 steel is warming up to again 900 DEG C of insulation 30min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove;
(2), be heated to 910 DEG C, quench with quenching oil, quenching temperature is 45 DEG C;
(3), carry out low-temperaturetempering process when being cooled to 165 DEG C, tempering time is 2 hours.
Last it is 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 to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a GCr15 Heat Treatment Of Steel method, step is as follows:
(1), first GCr15 steel is heated to 960-980 DEG C, heating 30-50min; Then in stove, be cooled to 800-820 DEG C to be incubated 3-4 hour; Afterwards GCr15 steel is warming up to again 900-920 DEG C of insulation 20-30min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove;
(2), 900-920 DEG C is heated to, quenching;
(3) low-temperaturetempering process is carried out when, being cooled to 160-180 DEG C.
2. heat treating method according to claim 1, is characterized in that: GCr15 steel is first heated to 970 DEG C in (1) by step, heating 40min; Then in stove, be cooled to 810 DEG C to be incubated 3 hours; Afterwards GCr15 steel is warming up to again 910 DEG C of insulation 25min; Then in stove, be cooled to less than 620 DEG C air coolings of coming out of the stove.
3. heat treating method according to claim 1, is characterized in that: described in step (2), the medium of quenching is quenching oil, and the temperature of described quenching is 40-50 DEG C.
4. heat treating method according to claim 3, is characterized in that: described in step (2), the temperature of quenching is 45 DEG C.
5. heat treating method according to claim 1, is characterized in that: in step (3), the time of tempering is 1-2 hour.
6. heat treating method according to claim 5, is characterized in that: in step (3), the time of tempering is 1.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443585.XA CN103484618B (en) | 2013-09-26 | 2013-09-26 | A kind of GCr15 Heat Treatment Of Steel method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443585.XA CN103484618B (en) | 2013-09-26 | 2013-09-26 | A kind of GCr15 Heat Treatment Of Steel method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103484618A CN103484618A (en) | 2014-01-01 |
| CN103484618B true CN103484618B (en) | 2015-09-09 |
Family
ID=49825207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310443585.XA Expired - Fee Related CN103484618B (en) | 2013-09-26 | 2013-09-26 | A kind of GCr15 Heat Treatment Of Steel method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103484618B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114480797A (en) * | 2022-01-27 | 2022-05-13 | 石狮市汇星机械有限公司 | Heat treatment process method for producing knitting machine cam by using GCr15 steel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947630A (en) * | 2010-09-17 | 2011-01-19 | 洛阳轴研科技股份有限公司 | Controlled-forging controlled-cooling processing technology of bearing ring prepared by GCr15 |
-
2013
- 2013-09-26 CN CN201310443585.XA patent/CN103484618B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947630A (en) * | 2010-09-17 | 2011-01-19 | 洛阳轴研科技股份有限公司 | Controlled-forging controlled-cooling processing technology of bearing ring prepared by GCr15 |
Non-Patent Citations (1)
| Title |
|---|
| 提高GCr15钢轴承寿命的热处理途径;徐祖耀等;《上海金属》;19841130;第6卷(第6期);第31-39页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103484618A (en) | 2014-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103233101A (en) | GCr15 bearing steel heat treatment method | |
| CN104195570B (en) | A kind of process technique that can improve bearing corrosion resistance | |
| CN103849737A (en) | Heat treatment method of spheroidal graphite cast iron | |
| CN107299204A (en) | A kind of processing method of raising 20CrMnMo hardness of steel | |
| CN103805753A (en) | Low-carbon alloy steel heat treatment process | |
| CN102758068A (en) | Heat treatment method of GCr15 steel | |
| CN102776335A (en) | Process for manufacturing 17-4PH Martensite precipitation-hardening stainless steel forgings | |
| CN103484618B (en) | A kind of GCr15 Heat Treatment Of Steel method | |
| CN103484609B (en) | A kind of 45# steel quenching method | |
| CN105648173A (en) | Heat treatment method of GCr15SiMn | |
| CN105986084A (en) | Heat treatment technology of 9CrWMn die steel | |
| CN105112634A (en) | Heat treatment process for hot-working die | |
| CN103484619A (en) | Heat treatment method of GCr15 bearing steel | |
| CN103725831A (en) | Hardening and tempering process of alloy-steel pipe | |
| CN103498033A (en) | Thermal treatment process for improving mechanical property of quenched and tempered steel | |
| CN105671296A (en) | Heat treatment process for GCr15 bearing | |
| CN103849736A (en) | Heat treatment process of high-chromium cast iron | |
| CN102888495B (en) | Method for strengthening hot forging die of electric cabinet vent | |
| CN1176227C (en) | Heat treatment method of raising the hardness of structural alloy steel | |
| CN104404233A (en) | Quenching method of No. 45 steel sleeve part | |
| CN103820623A (en) | Heat treatment process of 42CrMoE piston rod | |
| CN104404219A (en) | Spring heat treatment method | |
| CN105603167A (en) | Cr12 die steel heat-treating technology | |
| CN105714055A (en) | GCr15 steel heat treatment method | |
| CN102220472A (en) | Heat treatment method of ultra-large bearing ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Zhenzhong Inventor before: Yang Longxing |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170526 Address after: 477175 Chengdong Industrial Zone, Dancheng County, Henan, Zhoukou Patentee after: Dancheng Guangming Steel Structure Co., Ltd. Address before: 214000 Jiangsu city in Wuxi Province Economic Development Zone Huishan Spring Road No. 588 Patentee before: Wuxi Yanggong Machinery Manufacturing Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20170926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |