A manufacturing method of a ERW steel pipe

Title:

A manufacturing method of a ERW steel pipe

Document Type and Number:

Japanese Patent JP5994760

Kind Code:

B2

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Inventors:

Hiromichi Hori
Kenichi Iwasaki
Hiroshi Yokokawa

Application Number:

JP2013210703A

Publication Date:

September 21, 2016

Filing Date:

October 08, 2013

Export Citation:

Assignee:

jfe Steel Corporation

International Classes:

B21C37/08; B21C37/083; B21C51/00; B23K13/00

Domestic Patent References:

Attorney, Agent or Firm:

Kenichiro Ochiai

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