FI891783A - Austenitic-ferritic stainless steel - Google Patents
Austenitic-ferritic stainless steel Download PDFInfo
- Publication number
- FI891783A FI891783A FI891783A FI891783A FI891783A FI 891783 A FI891783 A FI 891783A FI 891783 A FI891783 A FI 891783A FI 891783 A FI891783 A FI 891783A FI 891783 A FI891783 A FI 891783A
- Authority
- FI
- Finland
- Prior art keywords
- stainless steel
- ferritic stainless
- austenitic
- composition
- alloy
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Glass Compositions (AREA)
Abstract
Austeno-ferritic stainless steel alloy having good corrosion resistance and a machinability index comprising a low content of molybdenum and a high content of copper dissolved by heat treatment of the alloy above 900 DEG C, the composition being the following: C < 0.06 % by weight Si < 1.2 Mn < 3 21 < Cr < 25 3 < Ni < 6 0.06 < N < 0.3 Mo < 1 1 < Cu < 3.5 the remainder being iron. The composition is balanced to obtain between 30 and 70% of ferrite to austenite.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8805045A FR2630132B1 (en) | 1988-04-15 | 1988-04-15 | AUSTENO-FERRITIC STAINLESS STEEL |
FR8805045 | 1988-04-15 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI891783A0 FI891783A0 (en) | 1989-04-14 |
FI891783A true FI891783A (en) | 1989-10-16 |
FI93126B FI93126B (en) | 1994-11-15 |
FI93126C FI93126C (en) | 1995-02-27 |
Family
ID=9365363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI891783A FI93126C (en) | 1988-04-15 | 1989-04-14 | Austenitic-ferritic stainless steel |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0337846B1 (en) |
AT (1) | ATE89874T1 (en) |
CA (1) | CA1340030C (en) |
DE (1) | DE68906708T2 (en) |
FI (1) | FI93126C (en) |
FR (1) | FR2630132B1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996018751A1 (en) * | 1994-12-16 | 1996-06-20 | Sumitomo Metal Industries, Ltd. | Duplex stainless steel excellent in corrosion resistance |
JP3508095B2 (en) | 1999-06-15 | 2004-03-22 | 株式会社クボタ | Ferrite-austenite duplex stainless steel with excellent heat fatigue resistance, corrosion fatigue resistance, drillability, etc. and suction roll body for papermaking |
EP1715073B1 (en) * | 2004-01-29 | 2014-10-22 | JFE Steel Corporation | Austenitic-ferritic stainless steel |
TWI394848B (en) * | 2007-10-10 | 2013-05-01 | Nippon Steel & Sumikin Sst | Two-phase stainless steel wire rod, steel wire, bolt and manufacturing method thereof |
SE533635C2 (en) | 2009-01-30 | 2010-11-16 | Sandvik Intellectual Property | Austenitic stainless steel alloy with low nickel content, and article thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1158614A (en) * | 1967-03-16 | 1969-07-16 | Langley Alloys Ltd | Improvement in Stainless Steels |
GB1456634A (en) * | 1972-09-13 | 1976-11-24 | Langley Alloys Ltd | High strength stainless steel having a high resistance to corro sive and abrasive wear in corrosive environments particularly chloride environments |
CA1242095A (en) * | 1984-02-07 | 1988-09-20 | Akira Yoshitake | Ferritic-austenitic duplex stainless steel |
SE451465B (en) * | 1984-03-30 | 1987-10-12 | Sandvik Steel Ab | FERRIT-AUSTENITIC STAINLESS STEEL MICROLEGATED WITH MOLYBID AND COPPER AND APPLICATION OF THE STEEL |
US4612069A (en) * | 1984-08-06 | 1986-09-16 | Sandusky Foundry & Machine Company | Pitting resistant duplex stainless steel alloy |
-
1988
- 1988-04-15 FR FR8805045A patent/FR2630132B1/en not_active Expired - Lifetime
-
1989
- 1989-03-30 EP EP89400888A patent/EP0337846B1/en not_active Expired - Lifetime
- 1989-03-30 AT AT89400888T patent/ATE89874T1/en not_active IP Right Cessation
- 1989-03-30 DE DE8989400888T patent/DE68906708T2/en not_active Expired - Fee Related
- 1989-04-14 FI FI891783A patent/FI93126C/en not_active IP Right Cessation
- 1989-04-14 CA CA000596675A patent/CA1340030C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE68906708D1 (en) | 1993-07-01 |
DE68906708T2 (en) | 1993-09-16 |
EP0337846B1 (en) | 1993-05-26 |
EP0337846A1 (en) | 1989-10-18 |
FI891783A0 (en) | 1989-04-14 |
ATE89874T1 (en) | 1993-06-15 |
FR2630132B1 (en) | 1990-08-24 |
FI93126B (en) | 1994-11-15 |
FR2630132A1 (en) | 1989-10-20 |
FI93126C (en) | 1995-02-27 |
CA1340030C (en) | 1998-09-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
FG | Patent granted |
Owner name: USINOR INDUSTEEL (FRANCE) |
|
MA | Patent expired |