JPS5723051A - Cavitation and erosion resistant martensite type stainless cast steel - Google Patents

Cavitation and erosion resistant martensite type stainless cast steel

Info

Publication number
JPS5723051A
JPS5723051A JP9623680A JP9623680A JPS5723051A JP S5723051 A JPS5723051 A JP S5723051A JP 9623680 A JP9623680 A JP 9623680A JP 9623680 A JP9623680 A JP 9623680A JP S5723051 A JPS5723051 A JP S5723051A
Authority
JP
Japan
Prior art keywords
cast steel
type stainless
martensite type
cavitation
stainless cast
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
JP9623680A
Other languages
Japanese (ja)
Inventor
Takashi Ebisutani
Masao Yamamoto
Mitsuo Kawai
Koichi Tajima
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 JP9623680A priority Critical patent/JPS5723051A/en
Priority to US06/256,120 priority patent/US4406698A/en
Priority to EP81103074A priority patent/EP0039052B1/en
Priority to DE8181103074T priority patent/DE3165012D1/en
Publication of JPS5723051A publication Critical patent/JPS5723051A/en
Pending legal-status Critical Current

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  • Treatment Of Steel In Its Molten State (AREA)

Abstract

PURPOSE: To provide martensite type stainless cast steel having excellent cavitation and erosion resistance obtained by containing C, Si, Mn, Ni, Cr, Nb, Mo in Fe in a specific ratio.
CONSTITUTION: Martensite type stainless cast steel containing, in the wt. basis, 0.1% or less C, 1.0% or less Si, 2.0W9.0% Mn, 0.5W8.0% Ni, 11.0W14.0% Cr, 0.01W0.1% Nb and the remainder of substantial Fe or one further containing 2.0% or less Mo thereto is prepared. Further, a melting method is carried out by a high frequency melting method, a melting method by an electric arc furnace or the like and, moreover, casting is carried out by a sand mold casting, a metal mold casting or the like. After casting, it is different owing to a shape or a size but the cast steel is cooled at a speed not forming crack and, further, annealing is pref. carried out at about 500W700°C.
COPYRIGHT: (C)1982,JPO&Japio
JP9623680A 1980-04-28 1980-07-16 Cavitation and erosion resistant martensite type stainless cast steel Pending JPS5723051A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9623680A JPS5723051A (en) 1980-07-16 1980-07-16 Cavitation and erosion resistant martensite type stainless cast steel
US06/256,120 US4406698A (en) 1980-04-28 1981-04-21 Martensitic stainless cast steel having high cavitation erosion resistance
EP81103074A EP0039052B1 (en) 1980-04-28 1981-04-23 Martensitic stainless cast steel having high cavitation erosion resistance
DE8181103074T DE3165012D1 (en) 1980-04-28 1981-04-23 Martensitic stainless cast steel having high cavitation erosion resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9623680A JPS5723051A (en) 1980-07-16 1980-07-16 Cavitation and erosion resistant martensite type stainless cast steel

Publications (1)

Publication Number Publication Date
JPS5723051A true JPS5723051A (en) 1982-02-06

Family

ID=14159587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9623680A Pending JPS5723051A (en) 1980-04-28 1980-07-16 Cavitation and erosion resistant martensite type stainless cast steel

Country Status (1)

Country Link
JP (1) JPS5723051A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4758116A (en) * 1986-05-23 1988-07-19 Takuji Ezoe Multi-blade ditching machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4758116A (en) * 1986-05-23 1988-07-19 Takuji Ezoe Multi-blade ditching machine

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