JPS5658953A - Heat resistant iron alloy with carburizing resistance for casting - Google Patents
Heat resistant iron alloy with carburizing resistance for castingInfo
- Publication number
- JPS5658953A JPS5658953A JP13413579A JP13413579A JPS5658953A JP S5658953 A JPS5658953 A JP S5658953A JP 13413579 A JP13413579 A JP 13413579A JP 13413579 A JP13413579 A JP 13413579A JP S5658953 A JPS5658953 A JP S5658953A
- Authority
- JP
- Japan
- Prior art keywords
- rupture strength
- creep rupture
- heat resistant
- iron alloy
- casting
- 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 heat resistant iron alloy for casting used as a reactor material, etc. and having enhanced carburizing resistance, creep rupture strength, improved castability and weldability by adding a small amount of Ti, W, Nb and Mo to an Fe-Cr-Ni alloy.
CONSTITUTION: This alloy consists of, by weight., 0.30W0.60% C, 0.05W2.00% Si, 0.50W2.00% Mn, ≤0.04% P, ≤0.04% S, 30.0W40.0% Ni, 23.0W28.0% Cr, 0.05W2.00% Mo, 0.50W2.50% W, 0.10W1.50% Nb, 0.05W1.00% Ti and the balance Fe. By especially adjusting the content of Ti+Nb among the added components to 0.5W1.0%, desirable results are obtd. Ti and Nb carbides formed improve the creep rupture strength together with Cr carbide. Mo and W effectively act to enhance the oxidation resistance and creep rupture strength and to enhance the creep rupture strength and carburizing resistance, respectively.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13413579A JPS5658953A (en) | 1979-10-19 | 1979-10-19 | Heat resistant iron alloy with carburizing resistance for casting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13413579A JPS5658953A (en) | 1979-10-19 | 1979-10-19 | Heat resistant iron alloy with carburizing resistance for casting |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5658953A true JPS5658953A (en) | 1981-05-22 |
JPS6140743B2 JPS6140743B2 (en) | 1986-09-10 |
Family
ID=15121281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13413579A Granted JPS5658953A (en) | 1979-10-19 | 1979-10-19 | Heat resistant iron alloy with carburizing resistance for casting |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5658953A (en) |
-
1979
- 1979-10-19 JP JP13413579A patent/JPS5658953A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6140743B2 (en) | 1986-09-10 |
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