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JPS57123964A - Heat resistant 12% cr steel - Google Patents

Heat resistant 12% cr steel

Info

Publication number
JPS57123964A
JPS57123964A JP908881A JP908881A JPS57123964A JP S57123964 A JPS57123964 A JP S57123964A JP 908881 A JP908881 A JP 908881A JP 908881 A JP908881 A JP 908881A JP S57123964 A JPS57123964 A JP S57123964A
Authority
JP
Japan
Prior art keywords
steel
heat resistant
heat
temperered
hardened
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.)
Pending
Application number
JP908881A
Other languages
Japanese (ja)
Inventor
Miharu Fukazawa
Mitsuo Kawai
Osamu Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP908881A priority Critical patent/JPS57123964A/en
Publication of JPS57123964A publication Critical patent/JPS57123964A/en
Pending legal-status Critical Current

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  • Heat Treatment Of Steel (AREA)

Abstract

PURPOSE: To obtain a heat resistant 12% Cr steel with superior creep strength at high temp. by providing a composition prepared by adding a specified amount each of Cr, C, Mn, Mo, Si, Ni, V, Nb, N, W and B to Fe.
CONSTITUTION: The chemical composition of a steel is composed of, by wt., 10W13% Cr, 0.15W0.3% C, 0.5W1% Mn, 0.5W2% Mo, <0.6% Si, 0,2W1% Ni, 0.1W0.3% V, 0.3W0.7% Nb, 0.04W0.1% N, 0.5W1.5% W, 0.01W0.025% B and the balance Fe with accompanying impurities. This steel is melted, cast, heat forged, hardened by coil quenching, and temperered by heating and air cooling to obtain a heat resistant 12% Cr steel.
COPYRIGHT: (C)1982,JPO&Japio
JP908881A 1981-01-26 1981-01-26 Heat resistant 12% cr steel Pending JPS57123964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP908881A JPS57123964A (en) 1981-01-26 1981-01-26 Heat resistant 12% cr steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP908881A JPS57123964A (en) 1981-01-26 1981-01-26 Heat resistant 12% cr steel

Publications (1)

Publication Number Publication Date
JPS57123964A true JPS57123964A (en) 1982-08-02

Family

ID=11710856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP908881A Pending JPS57123964A (en) 1981-01-26 1981-01-26 Heat resistant 12% cr steel

Country Status (1)

Country Link
JP (1) JPS57123964A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61566A (en) * 1984-06-05 1986-01-06 アルストム‐アトランテイツク Iron and steel for manufacturing large scale forged article and treatment of iron and steel
JPS6260845A (en) * 1985-09-12 1987-03-17 Toshio Fujita Steam turbine rotor for high temperature

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61566A (en) * 1984-06-05 1986-01-06 アルストム‐アトランテイツク Iron and steel for manufacturing large scale forged article and treatment of iron and steel
JPS6260845A (en) * 1985-09-12 1987-03-17 Toshio Fujita Steam turbine rotor for high temperature

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