JPH049847B2 - - Google Patents

Info

Publication number
JPH049847B2
JPH049847B2 JP60168619A JP16861985A JPH049847B2 JP H049847 B2 JPH049847 B2 JP H049847B2 JP 60168619 A JP60168619 A JP 60168619A JP 16861985 A JP16861985 A JP 16861985A JP H049847 B2 JPH049847 B2 JP H049847B2
Authority
JP
Japan
Prior art keywords
prior austenite
austenite grain
steel
less
tempering
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.)
Expired - Lifetime
Application number
JP60168619A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6230849A (ja
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 filed Critical
Priority to JP16861985A priority Critical patent/JPS6230849A/ja
Publication of JPS6230849A publication Critical patent/JPS6230849A/ja
Publication of JPH049847B2 publication Critical patent/JPH049847B2/ja
Granted legal-status Critical Current

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  • Heat Treatment Of Steel (AREA)
JP16861985A 1985-08-01 1985-08-01 直接焼入れ焼戻しによる耐ｓｓｃｃ特性の優れた鋼の製造方法 Granted JPS6230849A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16861985A JPS6230849A (ja) 1985-08-01 1985-08-01 直接焼入れ焼戻しによる耐ｓｓｃｃ特性の優れた鋼の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16861985A JPS6230849A (ja) 1985-08-01 1985-08-01 直接焼入れ焼戻しによる耐ｓｓｃｃ特性の優れた鋼の製造方法

Publications (2)

Publication Number Publication Date
JPS6230849A JPS6230849A (ja) 1987-02-09
JPH049847B2 true JPH049847B2 (enExample) 1992-02-21

Family

ID=15871416

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16861985A Granted JPS6230849A (ja) 1985-08-01 1985-08-01 直接焼入れ焼戻しによる耐ｓｓｃｃ特性の優れた鋼の製造方法

Country Status (1)

Country Link
JP (1) JPS6230849A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765168A (en) * 1987-07-27 1988-08-23 Tools For Bending, Inc. Method and apparatus for bending tubing
JP2733807B2 (ja) * 1991-06-07 1998-03-30 株式会社日本製鋼所 耐硫化物応力腐食割れ性および低温靱性に優れた溶接構造用鋼
WO1996036742A1 (fr) * 1995-05-15 1996-11-21 Sumitomo Metal Industries, Ltd. Procede de production de tubes d'acier sans soudure a haute resistance, non susceptibles de fissuration par les composes soufres

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827327B2 (ja) * 1977-11-21 1983-06-08 日本鋼管株式会社 セパレ−シヨンの生じない制御圧延高張力鋼の製造法
JPS54119324A (en) * 1978-03-08 1979-09-17 Kawasaki Steel Co Production of steel pipe for oil well
JPS54124817A (en) * 1978-03-23 1979-09-28 Nippon Kokan Kk <Nkk> Steel of excellent sulfide resistance and excellent corrosion crack resistance
JPS6035982B2 (ja) * 1979-07-10 1985-08-17 住友金属工業株式会社 耐硫化水素割れ性にすぐれたラインパイプ用鋼
JPS5613462A (en) * 1979-07-10 1981-02-09 Sumitomo Metal Ind Ltd Line pipe steel with superior hydrogen sulfide crack resistance
JPS56119759A (en) * 1980-02-28 1981-09-19 Nippon Kokan Kk <Nkk> High tensile steel with superior sulfide corrosion crack resistance
JPS589919A (ja) * 1981-07-09 1983-01-20 Kawasaki Steel Corp 低温靭性にすぐれた高張力熱延鋼帯の製造方法
JPS5858252A (ja) * 1981-10-02 1983-04-06 Kawasaki Steel Corp 油井向け鋼管用鋼
JPS58107476A (ja) * 1981-12-19 1983-06-27 Kawasaki Steel Corp 耐硫化物応力腐食割れ性の優れた高張力鋼
JPS5913052A (ja) * 1982-02-19 1984-01-23 Kawasaki Steel Corp 高強度かつ耐食性、耐応力腐食割れ性及び耐硫化物割れ性の優れたステンレス鋼材
JPS58199818A (ja) * 1982-05-17 1983-11-21 Nippon Steel Corp 高強度油井用鋼管の製造方法
JPS6023187B2 (ja) * 1982-05-24 1985-06-06 株式会社日本製鋼所 溶接性の優れた耐硫化物割れ厚肉鋼
JPS6067620A (ja) * 1983-09-21 1985-04-18 Kobe Steel Ltd 鋼板の製造方法
JPS6096718A (ja) * 1983-10-31 1985-05-30 Kobe Steel Ltd 耐水素誘起割れ性及び耐応力腐食割れ性の優れた鋼板の製造方法

Also Published As

Publication number Publication date
JPS6230849A (ja) 1987-02-09

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