低降伏比の建築構造用高張力鋼管の製造方法

Title:

低降伏比の建築構造用高張力鋼管の製造方法

Document Type and Number:

Japanese Patent JP4300049

Kind Code:

B2

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Inventors:

Haruya Kawano
Shigeo Okano

Application Number:

JP2003091745A

Publication Date:

July 22, 2009

Filing Date:

March 28, 2003

Export Citation:

Assignee:

KABUSHIKI KAISHA KOBE SEIKO SHO

International Classes:

C21D8/10; C21D8/02; C22C38/00; C22C38/04; C22C38/16

Domestic Patent References:

Attorney, Agent or Firm:

Kyuichi Ueki
Etsushi Kotani

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