Yasue Koyama | Researchain

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Featured researches published by Yasue Koyama.

Archive | 2001

High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same

Takaaki Toyooka; Yoshikazu Kawabata; Akira Yorifuji; Masanori Nishimori; Motoaki Itadani; Takatoshi Okabe; Masatoshi Aratani; Yasue Koyama

Archive | 2000

HIGH CARBON STEEL TUBE EXCELLENT IN COLD WORKABILITY AND INDUCTION HARDENABILITY AND ITS PRODUCTION METHOD

Masatoshi Araya; Motoaki Itaya; Yoshikazu Kawabata; Yasue Koyama; Masanori Nishimori; Yoshitomo Okabe; Takaaki Toyooka; Akira Yorifuji; 章依藤; 康衛小山; 能知岡部; 元晶板谷; 良和河端; 昌利荒谷; 正徳西森; 高明豊岡

Isij International | 1985

Production of HSLA Seamless Steel Pipes for Offshore Structures and Line Pipes by Direct-quench and Tempering

Yoshimitsu Iwasaki; Kunihiko Kobayashi; Katsuo Ueno; Yasue Koyama

Archive | 2005

Steel pipe with good magnetic properties and method of producing the same

Yasuhide Ishiguro; Yoshikazu Kawabata; Kei Sakata; Masayuki Sakaguchi; Motoaki Itadani; Yasue Koyama; Masayoshi Ishida

Archive | 2005

Steel pipe having excellent electromagnetic properties and process for producing the same

Yasuhide Ishiguro; Yoshikazu Ip Dept. Jfe Steel Corp. Kawabata; Kei Ip Dept. Jfe Steel Corp. Sakata; Masayuki Sakaguchi; Masayoshi Ishida; Motoaki Ip Dept. Jfe Steel Corp. Itadani; Yasue Koyama

Archive | 2003

Method of producing high-carbon steel pipe having superior cold workability and induction hardenability

Takaaki Toyooka; Yoshikazu Kawabata; Akira Yorifuji; Masanori Nishimori; Motoaki Itadani; Takatoshi Okabe; Masatoshi Aratani; Yasue Koyama

Kawasaki steel technical report | 2002

Development of High Carbon HISTORY Steel Tube with Excellent Formability

Yoshikazu Kawabata; Takatoshi Okabe; Yasue Koyama

Archive | 2004

Steel pipe having superior electromagnetic property and manufacturing method therefor

Masayoshi Ishida; Yasuhide Ishiguro; Motoaki Itaya; Yoshikazu Kawabata; Yasue Koyama; Masayuki Sakaguchi; Takashi Sakata; 雅之坂口; 坂田敬; 康衛小山; 元晶板谷; 良和河端; 昌義石田; 康英石黒

SAE 2001 World Congress | 2001