ATE12527T1 - FERRITIC, STAINLESS, CORROSION RESISTANT, WELDABLE STEEL WITH LOW INTERMEDIATE CONTENT AND PROCESS OF ITS PRODUCTION. - Google Patents
FERRITIC, STAINLESS, CORROSION RESISTANT, WELDABLE STEEL WITH LOW INTERMEDIATE CONTENT AND PROCESS OF ITS PRODUCTION.Info
- Publication number
- ATE12527T1 ATE12527T1 AT81305667T AT81305667T ATE12527T1 AT E12527 T1 ATE12527 T1 AT E12527T1 AT 81305667 T AT81305667 T AT 81305667T AT 81305667 T AT81305667 T AT 81305667T AT E12527 T1 ATE12527 T1 AT E12527T1
- Authority
- AT
- Austria
- Prior art keywords
- less
- steel
- corrosion resistant
- ferritic
- stainless
- Prior art date
Links
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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Laminated Bodies (AREA)
- Soft Magnetic Materials (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
A low interstitial, corrosion resistant, weldable ferritic stainless steel has an addition of between 0.05 and 0.50% by weight columbium and/or titanium to give the steel improved toughness when the maximum achievable cooling rate is limited. The steel consists of the following composition by weight percent: between 25.0 and 35% chromium, between 3.6 and 5.6% molybdenum, between 0.05 and 0.50% of columbium and/or titanium, less than 3.0% nickel, less than 2.0% manganese, less than 2.0% silicon, less than 0.5% aluminium, less than 0.5% copper, less than 0.050% phosphorous, less than 0.050% sulfur, less than 0.01% carbon, less than 0.02% nitrogen, the carbon plus nitrogen content being less than 0.025%, and the balance iron. A process is also disclosed which comprises air-cooling a steel having the above composition from the annealing temperature before cold rolling.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22556681A | 1981-01-16 | 1981-01-16 | |
| EP81305667A EP0057316B1 (en) | 1981-01-16 | 1981-12-02 | Low interstitial, corrosion resistant, weldable ferritic stainless steel and process for the manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE12527T1 true ATE12527T1 (en) | 1985-04-15 |
Family
ID=22845370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT81305667T ATE12527T1 (en) | 1981-01-16 | 1981-12-02 | FERRITIC, STAINLESS, CORROSION RESISTANT, WELDABLE STEEL WITH LOW INTERMEDIATE CONTENT AND PROCESS OF ITS PRODUCTION. |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0057316B1 (en) |
| JP (1) | JPS57137455A (en) |
| KR (1) | KR880001356B1 (en) |
| AT (1) | ATE12527T1 (en) |
| AU (1) | AU7829481A (en) |
| BR (1) | BR8200150A (en) |
| CA (1) | CA1184403A (en) |
| DE (1) | DE3169748D1 (en) |
| ES (1) | ES508364A0 (en) |
| MX (1) | MX156238A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6331535A (en) * | 1986-07-23 | 1988-02-10 | Jgc Corp | Apparatus for treating carbon-containing compound having carbon precipitation suppressing property |
| US4942922A (en) * | 1988-10-18 | 1990-07-24 | Crucible Materials Corporation | Welded corrosion-resistant ferritic stainless steel tubing having high resistance to hydrogen embrittlement and a cathodically protected heat exchanger containing the same |
| FR2644478B1 (en) * | 1989-03-16 | 1993-10-15 | Ugine Aciers Chatillon Gueugnon | |
| JP2739531B2 (en) * | 1991-09-17 | 1998-04-15 | 日新製鋼株式会社 | Ferritic stainless steel with excellent weld corrosion resistance |
| US5830408A (en) * | 1993-10-20 | 1998-11-03 | Sumitomo Metal Industries, Ltd. | Stainless steel for high-purity gases |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2183715A (en) * | 1938-05-21 | 1939-12-19 | Electro Metallurg Co | Corrosion resistant steel alloy |
| GB1359629A (en) * | 1971-10-26 | 1974-07-10 | Deutsche Edelstahlwerke Gmbh | Corrosion-resistant ferritic chrome steel |
| DK143202C (en) * | 1972-04-14 | 1981-11-23 | Nyby Bruk Ab | WELDED CONSTRUCTIONS LIKE HEAT EXCHANGERS |
| SU515825A1 (en) * | 1974-05-13 | 1976-05-30 | Предприятие П/Я В-2120 | Ferritic steel |
| DE2701329C2 (en) * | 1977-01-14 | 1983-03-24 | Thyssen Edelstahlwerke AG, 4000 Düsseldorf | Corrosion-resistant ferritic chrome-molybdenum-nickel steel |
| US4331474A (en) * | 1980-09-24 | 1982-05-25 | Armco Inc. | Ferritic stainless steel having toughness and weldability |
-
1981
- 1981-12-02 DE DE8181305667T patent/DE3169748D1/en not_active Expired
- 1981-12-02 AT AT81305667T patent/ATE12527T1/en not_active IP Right Cessation
- 1981-12-02 EP EP81305667A patent/EP0057316B1/en not_active Expired
- 1981-12-04 AU AU78294/81A patent/AU7829481A/en not_active Abandoned
- 1981-12-08 CA CA000391706A patent/CA1184403A/en not_active Expired
- 1981-12-09 KR KR1019810004803A patent/KR880001356B1/en active Pre-grant Review Request
- 1981-12-28 ES ES508364A patent/ES508364A0/en active Granted
-
1982
- 1982-01-13 BR BR8200150A patent/BR8200150A/en unknown
- 1982-01-14 MX MX190981A patent/MX156238A/en unknown
- 1982-01-16 JP JP57005324A patent/JPS57137455A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE3169748D1 (en) | 1985-05-09 |
| BR8200150A (en) | 1982-11-03 |
| KR830007871A (en) | 1983-11-07 |
| MX156238A (en) | 1988-07-27 |
| ES8305049A1 (en) | 1983-03-16 |
| ES508364A0 (en) | 1983-03-16 |
| CA1184403A (en) | 1985-03-26 |
| AU7829481A (en) | 1982-07-22 |
| JPS57137455A (en) | 1982-08-25 |
| KR880001356B1 (en) | 1988-07-28 |
| EP0057316B1 (en) | 1985-04-03 |
| EP0057316A1 (en) | 1982-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| RZN | Patent revoked |