JPS57106415A - Continuous manufacture of seamless steel pipe having outer diameter of different dimension - Google Patents

Continuous manufacture of seamless steel pipe having outer diameter of different dimension

Info

Publication number
JPS57106415A
JPS57106415A JP18276680A JP18276680A JPS57106415A JP S57106415 A JPS57106415 A JP S57106415A JP 18276680 A JP18276680 A JP 18276680A JP 18276680 A JP18276680 A JP 18276680A JP S57106415 A JPS57106415 A JP S57106415A
Authority
JP
Japan
Prior art keywords
sizer
pipe
rolling
steel pipe
wall thickness
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
JP18276680A
Other languages
English (en)
Other versions
JPS6012130B2 (ja
Inventor
Shigeo Kawabata
Shinji Akita
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 JP18276680A priority Critical patent/JPS6012130B2/ja
Publication of JPS57106415A publication Critical patent/JPS57106415A/ja
Publication of JPS6012130B2 publication Critical patent/JPS6012130B2/ja
Expired legal-status Critical Current

Links

JP18276680A 1980-12-25 1980-12-25 異種外径寸法の継目無鋼管の連続製造法 Expired JPS6012130B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18276680A JPS6012130B2 (ja) 1980-12-25 1980-12-25 異種外径寸法の継目無鋼管の連続製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18276680A JPS6012130B2 (ja) 1980-12-25 1980-12-25 異種外径寸法の継目無鋼管の連続製造法

Publications (2)

Publication Number Publication Date
JPS57106415A true JPS57106415A (en) 1982-07-02
JPS6012130B2 JPS6012130B2 (ja) 1985-03-30

Family

ID=16124044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18276680A Expired JPS6012130B2 (ja) 1980-12-25 1980-12-25 異種外径寸法の継目無鋼管の連続製造法

Country Status (1)

Country Link
JP (1) JPS6012130B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855321A (zh) * 2016-05-19 2016-08-17 常熟市异型钢管有限公司 一种高压锅炉用多头内螺纹无缝钢管的制备方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111014441B (zh) * 2019-12-30 2021-04-27 常熟希那基汽车零件有限公司 一种台阶管的制造工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855321A (zh) * 2016-05-19 2016-08-17 常熟市异型钢管有限公司 一种高压锅炉用多头内螺纹无缝钢管的制备方法

Also Published As

Publication number Publication date
JPS6012130B2 (ja) 1985-03-30

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