JPS5651552A - Cast steel for low temperature member - Google Patents
Cast steel for low temperature memberInfo
- Publication number
- JPS5651552A JPS5651552A JP12831579A JP12831579A JPS5651552A JP S5651552 A JPS5651552 A JP S5651552A JP 12831579 A JP12831579 A JP 12831579A JP 12831579 A JP12831579 A JP 12831579A JP S5651552 A JPS5651552 A JP S5651552A
- Authority
- JP
- Japan
- Prior art keywords
- cast steel
- low temperature
- temperature member
- casting
- air
- 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
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE: To obtain the titled cast steel free from cracking in casting by adding C, Si, Mn, Ni, Mo and W to Fe in a specified ratio.
CONSTITUTION: This cast steel consists of 0.01W0.10% C, ≤0.15% Si, ≤0.90% Mn, 8.5W12.0% Ni, 0.15W0.50% Mo and/or W, and the balance Fe and impurities including ≤0.015% P and ≤0.005% S. 0.005W0.020% Mg or ≥1/2 time as much Ca as S may be added to the said composition. In order to provide predetermined mechanical properties a casting of this steel is uniformly heated to about 800W925°C and water- or air-cooled. It is then heated at about 560W640°C and tempered by water-or air-cooling.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12831579A JPS593536B2 (en) | 1979-10-03 | 1979-10-03 | Cast steel for low temperature parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12831579A JPS593536B2 (en) | 1979-10-03 | 1979-10-03 | Cast steel for low temperature parts |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5651552A true JPS5651552A (en) | 1981-05-09 |
JPS593536B2 JPS593536B2 (en) | 1984-01-24 |
Family
ID=14981726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12831579A Expired JPS593536B2 (en) | 1979-10-03 | 1979-10-03 | Cast steel for low temperature parts |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS593536B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6167241A (en) * | 1984-09-08 | 1986-04-07 | Nec Corp | Selector for semiconductor device |
JPS6193699A (en) * | 1984-10-12 | 1986-05-12 | 日本インター株式会社 | Inspection device for characteristic of electronic part |
-
1979
- 1979-10-03 JP JP12831579A patent/JPS593536B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS593536B2 (en) | 1984-01-24 |
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