JPS5385711A - Manufacture of non-refined high tensile steel sheet with toughness - Google Patents

Manufacture of non-refined high tensile steel sheet with toughness

Info

Publication number
JPS5385711A
JPS5385711A JP60677A JP60677A JPS5385711A JP S5385711 A JPS5385711 A JP S5385711A JP 60677 A JP60677 A JP 60677A JP 60677 A JP60677 A JP 60677A JP S5385711 A JPS5385711 A JP S5385711A
Authority
JP
Japan
Prior art keywords
toughness
manufacture
steel sheet
high tensile
tensile 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
JP60677A
Other languages
Japanese (ja)
Other versions
JPS58490B2 (en
Inventor
Tamotsu Hashimoto
Takeaki Sawamura
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 JP60677A priority Critical patent/JPS58490B2/en
Publication of JPS5385711A publication Critical patent/JPS5385711A/en
Publication of JPS58490B2 publication Critical patent/JPS58490B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

PURPOSE: To improve the high toughness and highh strength of steel contg. a very small amt. of Nb heating the steel to a temp. above 1200°C followed by rolling under specified conditions, stopping the rolling a time, soaking, rolling and final low temp. rolling.
COPYRIGHT: (C)1978,JPO&Japio
JP60677A 1977-01-06 1977-01-06 Manufacturing method for tough, non-thermal treated high tensile strength steel sheets Expired JPS58490B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60677A JPS58490B2 (en) 1977-01-06 1977-01-06 Manufacturing method for tough, non-thermal treated high tensile strength steel sheets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60677A JPS58490B2 (en) 1977-01-06 1977-01-06 Manufacturing method for tough, non-thermal treated high tensile strength steel sheets

Publications (2)

Publication Number Publication Date
JPS5385711A true JPS5385711A (en) 1978-07-28
JPS58490B2 JPS58490B2 (en) 1983-01-06

Family

ID=11478385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60677A Expired JPS58490B2 (en) 1977-01-06 1977-01-06 Manufacturing method for tough, non-thermal treated high tensile strength steel sheets

Country Status (1)

Country Link
JP (1) JPS58490B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60187664A (en) * 1984-03-01 1985-09-25 Nippon Steel Corp Electric welded oil well pipe having low hardness and high yield strength and its production
JPS60187663A (en) * 1984-03-01 1985-09-25 Nippon Steel Corp Electric welded oil well pipe having low hardness and high yield strength and its production
JPS61272348A (en) * 1985-05-27 1986-12-02 Kobe Steel Ltd High-toughness steel for high heat input welding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60187664A (en) * 1984-03-01 1985-09-25 Nippon Steel Corp Electric welded oil well pipe having low hardness and high yield strength and its production
JPS60187663A (en) * 1984-03-01 1985-09-25 Nippon Steel Corp Electric welded oil well pipe having low hardness and high yield strength and its production
JPS61272348A (en) * 1985-05-27 1986-12-02 Kobe Steel Ltd High-toughness steel for high heat input welding

Also Published As

Publication number Publication date
JPS58490B2 (en) 1983-01-06

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