GB760926A - Stainless steels and their manufacture - Google Patents
Stainless steels and their manufactureInfo
- Publication number
- GB760926A GB760926A GB2309253A GB2309253A GB760926A GB 760926 A GB760926 A GB 760926A GB 2309253 A GB2309253 A GB 2309253A GB 2309253 A GB2309253 A GB 2309253A GB 760926 A GB760926 A GB 760926A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- boron
- steel
- manufacture
- ingredient
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
Abstract
The hot working properties of stainless steel, containing at least 10 per cent Cr and at least 40 per cent Fe, are improved by melting the steel to specification and adding, during or after the finishing of the steel to specification, a boron-containing ingredient from the group boron pre-alloys, boric oxides, borates and rasonnite. The method is particularly suitable for steels containing 10-35 per cent Cr, up to 50 per cent Ni, up to 20 per cent Mn, up to 5 per cent Si, up to 50 per cent Co, up to 10 per cent Mo and/or W, up to 10 per cent Cu, up to 5 per cent Al and up to 5 per cent in total of Nb, Ta, V, Zr, Ti and the boron-containing ingredient should be sufficient to impart a B content of 0.00005-0.004 per cent to the finished steel. The boron-containing ingredient is preferably added together with at least one deoxidizing alloy, e.g. ferro-titanium, calcium-silicon, &c., to the steel in the ladle. A boron-containing pre-alloy consisting of: B 3-4 per cent; Si 40 per cent, Fe the remainder is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2309253A GB760926A (en) | 1953-08-21 | 1953-08-21 | Stainless steels and their manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2309253A GB760926A (en) | 1953-08-21 | 1953-08-21 | Stainless steels and their manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB760926A true GB760926A (en) | 1956-11-07 |
Family
ID=10189984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2309253A Expired GB760926A (en) | 1953-08-21 | 1953-08-21 | Stainless steels and their manufacture |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB760926A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2477183A1 (en) * | 1980-03-01 | 1981-09-04 | Nippon Steel Corp | FERRITIC STAINLESS STEEL HAVING HIGH FACILITY FACILITY |
| EP0050356A1 (en) * | 1980-10-21 | 1982-04-28 | Nippon Steel Corporation | Method for producing ferritic stainless steel sheets or strips containing aluminum |
| DE3518618A1 (en) * | 1984-05-23 | 1985-11-28 | Nisshin Steel Co., Ltd., Tokio/Tokyo | A P-ADDITION OF FERRITIC STAINLESS STEEL WITH EXCELLENT FORMABILITY AND SECONDARY WORKABILITY |
| DE3902634A1 (en) * | 1989-01-30 | 1990-08-02 | Kernforschungsz Karlsruhe | AUSTENITIC STEEL WITH IMPROVED RESISTANCE TO NEUTRON-INDUCED THRESHOLD AND HELIUM TESTING |
| DE4143075A1 (en) * | 1990-12-28 | 1992-07-02 | Tohoku Special Steel Works Ltd | HIGHLY COLD DEFORMABLE ELECTROMAGNETIC STAINLESS STEEL |
| US20120171070A1 (en) * | 2011-01-03 | 2012-07-05 | General Electric Company | Alloy |
| US9856551B2 (en) | 2000-09-27 | 2018-01-02 | Outokumpu Stainless Aktiebolag | Ferritic-austenitic stainless steel |
-
1953
- 1953-08-21 GB GB2309253A patent/GB760926A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2477183A1 (en) * | 1980-03-01 | 1981-09-04 | Nippon Steel Corp | FERRITIC STAINLESS STEEL HAVING HIGH FACILITY FACILITY |
| EP0050356A1 (en) * | 1980-10-21 | 1982-04-28 | Nippon Steel Corporation | Method for producing ferritic stainless steel sheets or strips containing aluminum |
| DE3518618A1 (en) * | 1984-05-23 | 1985-11-28 | Nisshin Steel Co., Ltd., Tokio/Tokyo | A P-ADDITION OF FERRITIC STAINLESS STEEL WITH EXCELLENT FORMABILITY AND SECONDARY WORKABILITY |
| DE3902634A1 (en) * | 1989-01-30 | 1990-08-02 | Kernforschungsz Karlsruhe | AUSTENITIC STEEL WITH IMPROVED RESISTANCE TO NEUTRON-INDUCED THRESHOLD AND HELIUM TESTING |
| DE4143075A1 (en) * | 1990-12-28 | 1992-07-02 | Tohoku Special Steel Works Ltd | HIGHLY COLD DEFORMABLE ELECTROMAGNETIC STAINLESS STEEL |
| US9856551B2 (en) | 2000-09-27 | 2018-01-02 | Outokumpu Stainless Aktiebolag | Ferritic-austenitic stainless steel |
| US20120171070A1 (en) * | 2011-01-03 | 2012-07-05 | General Electric Company | Alloy |
| US8512485B2 (en) * | 2011-01-03 | 2013-08-20 | General Electric Company | Alloy |
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