JPS5798654A - Cast steel for low temperature member - Google Patents

Cast steel for low temperature member

Info

Publication number
JPS5798654A
JPS5798654A JP17348080A JP17348080A JPS5798654A JP S5798654 A JPS5798654 A JP S5798654A JP 17348080 A JP17348080 A JP 17348080A JP 17348080 A JP17348080 A JP 17348080A JP S5798654 A JPS5798654 A JP S5798654A
Authority
JP
Japan
Prior art keywords
cast steel
low temperature
temperature member
steel
impurities
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
Application number
JP17348080A
Other languages
Japanese (ja)
Other versions
JPS6354058B2 (en
Inventor
Koichi Kamishiro
Hiroaki Okajima
Yasuo Otani
Junichiro Murayama
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP17348080A priority Critical patent/JPS5798654A/en
Publication of JPS5798654A publication Critical patent/JPS5798654A/en
Publication of JPS6354058B2 publication Critical patent/JPS6354058B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

PURPOSE: To obtain a cast steel for a low temp. member with superior mechanical properties and no casting defects by preparing a steel contg. a specified percentage each of C, Si, Mn, Ni, Mo, etc.
CONSTITUTION: A steel consisting of 0.01W0.10% C, ≤0.15% Si, ≤0.90% Mn, 7.5W12.0% Ni, 0.01W0.10% Mo and the balance Fe with impurities is prepared. The amounts of P and S among the impurities are ≤0.015% and ≤0.005%, respectively. In said composition the upper permitted value of S may be regulated to 0.010%. At this time, 0.005W0.20% Mg or ≥1/2 time as much Ca as S may be added. It is preferable that a deoxidizer is used so that about 0.010W0.060% Al as sol. Al remains.
COPYRIGHT: (C)1982,JPO&Japio
JP17348080A 1980-12-09 1980-12-09 Cast steel for low temperature member Granted JPS5798654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17348080A JPS5798654A (en) 1980-12-09 1980-12-09 Cast steel for low temperature member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17348080A JPS5798654A (en) 1980-12-09 1980-12-09 Cast steel for low temperature member

Publications (2)

Publication Number Publication Date
JPS5798654A true JPS5798654A (en) 1982-06-18
JPS6354058B2 JPS6354058B2 (en) 1988-10-26

Family

ID=15961270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17348080A Granted JPS5798654A (en) 1980-12-09 1980-12-09 Cast steel for low temperature member

Country Status (1)

Country Link
JP (1) JPS5798654A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5383922A (en) * 1976-12-29 1978-07-24 Sumitomo Metal Ind Ltd Steel for low temperature
JPS53112219A (en) * 1977-02-22 1978-09-30 Japan Steel Works Ltd Tenacious lowwsilcon nickel steel for low temperature use
JPS5541929A (en) * 1978-09-16 1980-03-25 Kobe Steel Ltd Steel for high efficiency welding and low temperature use

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5383922A (en) * 1976-12-29 1978-07-24 Sumitomo Metal Ind Ltd Steel for low temperature
JPS53112219A (en) * 1977-02-22 1978-09-30 Japan Steel Works Ltd Tenacious lowwsilcon nickel steel for low temperature use
JPS5541929A (en) * 1978-09-16 1980-03-25 Kobe Steel Ltd Steel for high efficiency welding and low temperature use

Also Published As

Publication number Publication date
JPS6354058B2 (en) 1988-10-26

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