JPS52139616A - Preparation of large diameter steel pipe superior in strength and toughness - Google Patents

Preparation of large diameter steel pipe superior in strength and toughness

Info

Publication number
JPS52139616A
JPS52139616A JP5680176A JP5680176A JPS52139616A JP S52139616 A JPS52139616 A JP S52139616A JP 5680176 A JP5680176 A JP 5680176A JP 5680176 A JP5680176 A JP 5680176A JP S52139616 A JPS52139616 A JP S52139616A
Authority
JP
Japan
Prior art keywords
toughness
strength
steel pipe
large diameter
diameter steel
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
JP5680176A
Other languages
Japanese (ja)
Other versions
JPS5948846B2 (en
Inventor
Hajime Nakasugi
Hiroaki Masui
Tetsuo Takeda
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
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP5680176A priority Critical patent/JPS5948846B2/en
Publication of JPS52139616A publication Critical patent/JPS52139616A/en
Publication of JPS5948846B2 publication Critical patent/JPS5948846B2/en
Expired legal-status Critical Current

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  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE: To prepare the large diameter steel pipe for natural gas, crude petroleum transportation, the yield point is more than 37 kg/mm2, the strength and the toughness are superior and the thickness is about 15W80mm.
COPYRIGHT: (C)1977,JPO&Japio
JP5680176A 1976-05-18 1976-05-18 Method for manufacturing large diameter steel pipes with excellent strength and toughness Expired JPS5948846B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5680176A JPS5948846B2 (en) 1976-05-18 1976-05-18 Method for manufacturing large diameter steel pipes with excellent strength and toughness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5680176A JPS5948846B2 (en) 1976-05-18 1976-05-18 Method for manufacturing large diameter steel pipes with excellent strength and toughness

Publications (2)

Publication Number Publication Date
JPS52139616A true JPS52139616A (en) 1977-11-21
JPS5948846B2 JPS5948846B2 (en) 1984-11-29

Family

ID=13037491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5680176A Expired JPS5948846B2 (en) 1976-05-18 1976-05-18 Method for manufacturing large diameter steel pipes with excellent strength and toughness

Country Status (1)

Country Link
JP (1) JPS5948846B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3541075A1 (en) * 1984-11-20 1986-06-05 Nippon Steel Corp., Tokio/Tokyo STEEL WITH HIGH TOUGHNESS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3541075A1 (en) * 1984-11-20 1986-06-05 Nippon Steel Corp., Tokio/Tokyo STEEL WITH HIGH TOUGHNESS

Also Published As

Publication number Publication date
JPS5948846B2 (en) 1984-11-29

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