JPS6455335A - Production of high-tensile steel having low yield ratio - Google Patents

Production of high-tensile steel having low yield ratio

Info

Publication number
JPS6455335A
JPS6455335A JP62212591A JP21259187A JPS6455335A JP S6455335 A JPS6455335 A JP S6455335A JP 62212591 A JP62212591 A JP 62212591A JP 21259187 A JP21259187 A JP 21259187A JP S6455335 A JPS6455335 A JP S6455335A
Authority
JP
Japan
Prior art keywords
steel
temp
yield ratio
range
point
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
JP62212591A
Other languages
English (en)
Other versions
JPH066740B2 (ja
Inventor
Nobuo Shikauchi
Hisatoshi Tagawa
Norihiro Iwasaki
Yutaka Osanawa
Tadao Sugiyama
Hiroshi Narita
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP62212591A priority Critical patent/JPH066740B2/ja
Publication of JPS6455335A publication Critical patent/JPS6455335A/ja
Publication of JPH066740B2 publication Critical patent/JPH066740B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Steel (AREA)
JP62212591A 1987-08-26 1987-08-26 低降伏比厚肉高張力鋼の製造方法 Expired - Fee Related JPH066740B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62212591A JPH066740B2 (ja) 1987-08-26 1987-08-26 低降伏比厚肉高張力鋼の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62212591A JPH066740B2 (ja) 1987-08-26 1987-08-26 低降伏比厚肉高張力鋼の製造方法

Publications (2)

Publication Number Publication Date
JPS6455335A true JPS6455335A (en) 1989-03-02
JPH066740B2 JPH066740B2 (ja) 1994-01-26

Family

ID=16625233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62212591A Expired - Fee Related JPH066740B2 (ja) 1987-08-26 1987-08-26 低降伏比厚肉高張力鋼の製造方法

Country Status (1)

Country Link
JP (1) JPH066740B2 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02282418A (ja) * 1989-04-24 1990-11-20 Kawasaki Steel Corp 内質および加工性の優れた高張力鋼板の製造方法
JPH04202619A (ja) * 1990-11-29 1992-07-23 Kobe Steel Ltd 耐溶接割れ性の優れた低降伏比６０Ｋｇｆ／ｍｍ↑２級鋼板の製造方法
JPH0545802A (ja) * 1991-08-13 1993-02-26 Fuji Photo Film Co Ltd レンズ付きフイルムユニツト
JPH0665682A (ja) * 1992-08-25 1994-03-08 Kobe Steel Ltd 溶接性の優れた５７０Ｎ／ｍｍ２級以上の低降伏比高張力鋼板
US5938865A (en) * 1995-05-15 1999-08-17 Sumitomo Metal Industries, Ltc. Process for producing high-strength seamless steel pipe having excellent sulfide stress cracking resistance
JP2005118886A (ja) * 2004-12-06 2005-05-12 Jfe Steel Kk 薄物熱延鋼板の製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852423A (ja) * 1981-09-21 1983-03-28 Kawasaki Steel Corp 低温靭性と溶接性に優れたボロン含有非調質高張力鋼の製造方法
JPS5877527A (ja) * 1981-10-31 1983-05-10 Nippon Steel Corp 高強度高靭性鋼の製造法
JPS5896818A (ja) * 1981-12-07 1983-06-09 Sumitomo Metal Ind Ltd 高強度とすぐれた低温靭性を有する熱間圧延鋼材の製造法
JPS5896817A (ja) * 1981-12-07 1983-06-09 Sumitomo Metal Ind Ltd 高靭性を有する高張力熱間圧延鋼材の製造法
JPS5983722A (ja) * 1982-11-05 1984-05-15 Kawasaki Steel Corp 低炭素当量非調質高張力鋼板の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852423A (ja) * 1981-09-21 1983-03-28 Kawasaki Steel Corp 低温靭性と溶接性に優れたボロン含有非調質高張力鋼の製造方法
JPS5877527A (ja) * 1981-10-31 1983-05-10 Nippon Steel Corp 高強度高靭性鋼の製造法
JPS5896818A (ja) * 1981-12-07 1983-06-09 Sumitomo Metal Ind Ltd 高強度とすぐれた低温靭性を有する熱間圧延鋼材の製造法
JPS5896817A (ja) * 1981-12-07 1983-06-09 Sumitomo Metal Ind Ltd 高靭性を有する高張力熱間圧延鋼材の製造法
JPS5983722A (ja) * 1982-11-05 1984-05-15 Kawasaki Steel Corp 低炭素当量非調質高張力鋼板の製造方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02282418A (ja) * 1989-04-24 1990-11-20 Kawasaki Steel Corp 内質および加工性の優れた高張力鋼板の製造方法
JPH04202619A (ja) * 1990-11-29 1992-07-23 Kobe Steel Ltd 耐溶接割れ性の優れた低降伏比６０Ｋｇｆ／ｍｍ↑２級鋼板の製造方法
JPH0545802A (ja) * 1991-08-13 1993-02-26 Fuji Photo Film Co Ltd レンズ付きフイルムユニツト
JPH0665682A (ja) * 1992-08-25 1994-03-08 Kobe Steel Ltd 溶接性の優れた５７０Ｎ／ｍｍ２級以上の低降伏比高張力鋼板
US5938865A (en) * 1995-05-15 1999-08-17 Sumitomo Metal Industries, Ltc. Process for producing high-strength seamless steel pipe having excellent sulfide stress cracking resistance
JP2005118886A (ja) * 2004-12-06 2005-05-12 Jfe Steel Kk 薄物熱延鋼板の製造方法

Also Published As

Publication number Publication date
JPH066740B2 (ja) 1994-01-26

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees