GB763983A - Improvements in the manufacture of heat treated low alloy steels - Google Patents
Improvements in the manufacture of heat treated low alloy steelsInfo
- Publication number
- GB763983A GB763983A GB6461/54A GB646154A GB763983A GB 763983 A GB763983 A GB 763983A GB 6461/54 A GB6461/54 A GB 6461/54A GB 646154 A GB646154 A GB 646154A GB 763983 A GB763983 A GB 763983A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- steel
- heating
- cooling
- austenizing
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 6
- 239000010959 steel Substances 0.000 title abstract 6
- 229910045601 alloy Inorganic materials 0.000 title abstract 2
- 239000000956 alloy Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 4
- 238000001816 cooling Methods 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 238000005496 tempering Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 1
- 229910001566 austenite Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000005261 decarburization Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003129 oil well Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 238000010791 quenching Methods 0.000 abstract 1
- 230000000171 quenching effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
A process for manufacturing heat treated low alloy steels having low carbon and which resist high stresses in a corrosive atmosphere comprises subjecting a steel containing 0.08-0.2 per cent C., 0.3-1.2 per cent Mn, 0.6-5.0 per cent Gr, 0.15-0.6 per cent Al and optionally 0.1-1.0 per cent Mo, the balance being iron and impurities to a heating to form austenite and cooling at a rate at least equal to cooling in still air and tempering at 500-700 DEG C. The steel may also contain 0.1-0.8 per cent Si and up to 0.5 per cent of one or more of V, Ni, and Ti. The austenizing treatment may comprise heating to 950 DEG C. and cooling in still air, or quenching in oil or water from 925 DEG C. The steel may also be subjected to an isothermal transformation from the austenizing temperature at 500-700 DEG C. The austenizing heating or the tempering heating maybe performed in a slightly oxidizing atmosphere to produce surface decarburization. The steel is stated to be of value in oil wells or refineries where it may be subjected to high stresses in an atmosphere having a high content of sulphuretted hydrogen.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR763983X | 1953-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB763983A true GB763983A (en) | 1956-12-19 |
Family
ID=9181869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6461/54A Expired GB763983A (en) | 1953-03-07 | 1954-03-05 | Improvements in the manufacture of heat treated low alloy steels |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB763983A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438397A (en) * | 2022-02-08 | 2022-05-06 | 新疆八一钢铁股份有限公司 | Production process of high-chromium corrosion-resistant sucker rod |
-
1954
- 1954-03-05 GB GB6461/54A patent/GB763983A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438397A (en) * | 2022-02-08 | 2022-05-06 | 新疆八一钢铁股份有限公司 | Production process of high-chromium corrosion-resistant sucker rod |
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