JPS5726148A - Low-alloy heat-resistant cr-mo steel with superior creep embrittlement resistance - Google Patents
Low-alloy heat-resistant cr-mo steel with superior creep embrittlement resistanceInfo
- Publication number
- JPS5726148A JPS5726148A JP9948080A JP9948080A JPS5726148A JP S5726148 A JPS5726148 A JP S5726148A JP 9948080 A JP9948080 A JP 9948080A JP 9948080 A JP9948080 A JP 9948080A JP S5726148 A JPS5726148 A JP S5726148A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- resistant
- low
- embrittlement resistance
- alloy heat
- 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
Abstract
PURPOSE: To obtain a low-alloy heat-resistant Cr-Mo steel with superior creep embrittlement resistance by preparing a steel contg. a specified percentage of C, Si, Mn, Cr, Mo, a specified rare earth element and Y.
CONSTITUTION: A steel consisting of ≤0.30% C, 0.05W0.90% Si, 0.20W1.50% Mn, 0.40W1.60% Cr and 0.40W0.65% Mo as basic components, 0.01W0.2% of ≥1 kinds of elements selected from rare earth elements having 57W71 atomic number and Y, and the balance Fe with inevitable impurities is prepared. This steel maintains its high creep ductility especially even in the long-time creep rupture of the weld heat-affected zone.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9948080A JPS609585B2 (en) | 1980-07-21 | 1980-07-21 | Cr-Mo based low alloy heat resistant steel with excellent creep embrittlement resistance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9948080A JPS609585B2 (en) | 1980-07-21 | 1980-07-21 | Cr-Mo based low alloy heat resistant steel with excellent creep embrittlement resistance |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5726148A true JPS5726148A (en) | 1982-02-12 |
JPS609585B2 JPS609585B2 (en) | 1985-03-11 |
Family
ID=14248467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9948080A Expired JPS609585B2 (en) | 1980-07-21 | 1980-07-21 | Cr-Mo based low alloy heat resistant steel with excellent creep embrittlement resistance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS609585B2 (en) |
-
1980
- 1980-07-21 JP JP9948080A patent/JPS609585B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS609585B2 (en) | 1985-03-11 |
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