Method of production of electric resistance welded steel pipe and high Si or high Cr electric resistance welded steel pipe

Assignee

• Nippon Steel & Sumitomo Metal

Inventors

• Hideki Hamatani (16 patents)
• Shinji Kodama (119 patents)
• Nobuo Mizuhashi (7 patents)
• Sunao Takeuchi (4 patents)
• Tomohiro Nakaji (1 patents)
• Unknown
• Hitoshi Asahi (38 patents)
• Michitoshi TANIMOTO (2 patents)
• Michimasa Mukai (4 patents)

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