Title:
【発明の名称】マルテンサイトステンレススチール及び該スチールを用いて製造されたシームレススチール管
Document Type and Number:
Japanese Patent JP2003533592
Kind Code:
A
Abstract:
Martensitic stainless steel with high resistance to corrosion, consisting of the following ingredients: Mn from 0.1 % to 0.3 %, P = 0.02 %, S = 0.002 % Cr from 10 % to 13 %, C = 0.02 wt%, Si from 0.1 % to = 0.3 wt%, Ni from 5 % to 8 %, Mo from 1.5 % to 3 %, N = 0.02 % and use of the above-mentioned steel in the fabrication of seamless steel pipes with diameters of up to 28'', with a process of rotary-expansion rolling.
Inventors:
Cumin giuseppe
Map Face Eugenio
Monterati Luca
Tatsuo Ono
Mountain Zaki One son
Hashizume Shuji
Yusuke Minami
Toshio Suzuki
Map Face Eugenio
Monterati Luca
Tatsuo Ono
Mountain Zaki One son
Hashizume Shuji
Yusuke Minami
Toshio Suzuki
Application Number:
JP2001584592A
Publication Date:
November 11, 2003
Filing Date:
May 18, 2001
Export Citation:
Assignee:
Dalmine Societa Peratini
International Classes:
B21B19/06; B21B19/08; C21D8/10; C22C38/00; B21B3/02; C22C38/44; C22C38/50; B21B23/00; C21D7/13; (IPC1-7): C22C38/00; B21B3/02; B21B19/06; C21D8/10; C22C38/44; C22C38/50
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes