JPS6456855A - Austenitic stainless steel for boiler for soda recovery - Google Patents
Austenitic stainless steel for boiler for soda recoveryInfo
- Publication number
- JPS6456855A JPS6456855A JP21391487A JP21391487A JPS6456855A JP S6456855 A JPS6456855 A JP S6456855A JP 21391487 A JP21391487 A JP 21391487A JP 21391487 A JP21391487 A JP 21391487A JP S6456855 A JPS6456855 A JP S6456855A
- Authority
- JP
- Japan
- Prior art keywords
- boiler
- stainless steel
- austenitic stainless
- stock
- soda recovery
- 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.)
- Granted
Links
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE:To develop a boiler stock excellent in high-temp. intergranular corrosion resistance and toughness after aging, by using an austenitic stainless steel in which specific amounts of N are incorporated and Ni equivalent is raised as a stock for a boiler for soda recovery used under a severe corrosive environment. CONSTITUTION:Under the highly corrosive environment where temp. is as high as >=400 deg.C and Cl<-> and SO4<2-> exist, an austenitic stainless steel having a composition which contains, by weight, <0.025% C, <0.405 Si, <5.0% Mn, <0.04% P, <0.03% S, 23-30% Cr, 5-18% Ni, and 0.25-0.45 N or further contains one or >=2 kinds among 0.1-3% Mo, 0.05-2% Nb, 0.02-0.5% Ti, 0.2-5% Cu, <0.01% B, <0.05% Ce, and <0.01% Ca and in which Ni equivalent is regulated to >=20% as represented by inequality I is used as a stock for boiler for recovering soda such as NaOH and NaS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21391487A JPS6456855A (en) | 1987-08-27 | 1987-08-27 | Austenitic stainless steel for boiler for soda recovery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21391487A JPS6456855A (en) | 1987-08-27 | 1987-08-27 | Austenitic stainless steel for boiler for soda recovery |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6456855A true JPS6456855A (en) | 1989-03-03 |
JPH0431020B2 JPH0431020B2 (en) | 1992-05-25 |
Family
ID=16647124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21391487A Granted JPS6456855A (en) | 1987-08-27 | 1987-08-27 | Austenitic stainless steel for boiler for soda recovery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6456855A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03153847A (en) * | 1989-11-13 | 1991-07-01 | Nippon Steel Corp | Ni-cr austenitic stainless steel having excellent creep rupture property |
EP0937783A1 (en) * | 1998-02-18 | 1999-08-25 | Sandvik Aktiebolag | New use of a high strength stainless steel |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62199753A (en) * | 1986-02-25 | 1987-09-03 | Nippon Steel Corp | Austenitic stainless steel having superior toughness after aging in environment at high temperature and superior resistance to intergranular corrosion at high temperature |
-
1987
- 1987-08-27 JP JP21391487A patent/JPS6456855A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62199753A (en) * | 1986-02-25 | 1987-09-03 | Nippon Steel Corp | Austenitic stainless steel having superior toughness after aging in environment at high temperature and superior resistance to intergranular corrosion at high temperature |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03153847A (en) * | 1989-11-13 | 1991-07-01 | Nippon Steel Corp | Ni-cr austenitic stainless steel having excellent creep rupture property |
EP0937783A1 (en) * | 1998-02-18 | 1999-08-25 | Sandvik Aktiebolag | New use of a high strength stainless steel |
US6174386B1 (en) | 1998-02-18 | 2001-01-16 | Sandvik Ab | NaOH evaporator comprising at least one component formed by a high strength stainless steel |
Also Published As
Publication number | Publication date |
---|---|
JPH0431020B2 (en) | 1992-05-25 |
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Legal Events
Date | Code | Title | Description |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 16 Free format text: PAYMENT UNTIL: 20080525 |