Evaluation Method for Low Temperature Toughness of Weld Seam of HFW Pipe Based on the Distribution of Scattered Type Penetrator von Matsui, Yutaka, Iizuka, Yukinori, Okabe, Takatoshi, Inoue, Tomohiro

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Numerical Analysis of Welding Phenomena in High-Frequency Electric Resistance Welding von Goto, Sota, Toyoda, Shunsuke, Nakata, Kazuhiro, Yasuda, Koichi, Okabe, Takatoshi, Kato, Yasushi

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Control of Microstructures and the Practical Properties of API X80 Grade Heavy-Wall High-Frequency Electric Resistance-Welded Pipe with Excellent Low-Temperature Toughness von Goto, Sota, Nakata, Hiroshi, Toyoda, Shunsuke, Okabe, Takatoshi, Inoue, Tomohiro

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Development of High Frequency Electric-Resistance Welded Steel Pipe with Excellent Low Temperature Toughness of Weld for Use in Extremely Cold Areas von OKABE, Takatoshi

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Longitudinal weld characteristics of HFW linepipe and its fracture performance von Igi, Satoshi, Okabe, Takatoshi, Sadasue, Teruki, Yabumoto, Satoru

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Ultrasonic inspection for scattered oxides in ERW pipe welds von Iizuka, Yukinori, Okabe, Takatoshi, Kumazawa, Shintaro, Sakashita, Shigeto

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Metallurgical Design and Performance of High-Frequency Electric Resistance Welded Linepipe With High-Quality Weld Seam Suitable for Extra-Low-Temperature Services von Toyoda, Shunsuke, Goto, Sota, Okabe, Takatoshi, Kimura, Hideto, Igi, Satoshi

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Dynamic Observations of Welding Pghenomena and Finite Element Analysis in High Frequency Electric Resistance Welding von OKABE, Takatoshi, YASUDA, Koichi, NAKATA, Kazuhiro

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Numerical Analysis of Welding Phenomena in High-Frequency Electric Resistance Welding von Okabe, Takatoshi, Toyoda, Shunsuke, Goto, Sota, Kato, Yasushi, Yasuda, Koichi, Nakata, Kazuhiro

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Development of Advanced High Frequency Electric Resistance Welded (HFW) Linepipe MightySeam^|^reg; with a High Quality Weld Seam Suitable for Extra-low-temperature Services von Okabe, Takatoshi, Toyoda, Shunsuke, Matsui, Yutaka, Igi, Satoshi, Yabumoto, Satoru

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STRAIGHT POLARITY MAG-WELDING WIRE AND STRAIGHT POLARITY MAG-WELDING METHOD USING SAME von NAGAO, Ryota, OKABE, Takatoshi, KOZUKI, Shohei

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電縫溶接部の低温靱性に優れる極寒冷地用電縫鋼管の開発 von 岡部, 能知

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METHOD OF MONITORING MANUFACTURING STATUS OF ELECTRIC RESISTANCE WELDED PIPE, DEVICE FOR MONITORING MANUFACTURING STATUS OF ELECTRIC RESISTANCE WELDED PIPE, AND METHOD OF MANUFACTU... von OKABE, Takatoshi, SATO, Shuichi, KODAMA, Toshifumi

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GAS-SHIELDED ARC WELDING METHOD, WELDED JOINT, AND WELDED-JOINT PRODUCTION METHOD von TAKADA, Atsushi, ISHIGAMI, Atsushi, OKABE, Takatoshi

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High Nitrogen Steels. Nitrogen Content of 316L Weld Metal and Its Fine Particle by Means of High-pressure MIG Arc Welding von Kikuchi, Yasushi, Matsuda, Fukuhisa, Okabe, Takatoshi, Ohta, Makoto

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GAS-SHIELDED ARC WELDING METHOD, WELDED JOINT, AND WELDED JOINT PRODUCTION METHOD von Takada, Atsushi, Okabe, Takatoshi, Ishigami, Atsushi

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Electro Magnetic and Heat Conductive FE Analysis on High Frequency Tube Welding Process von OKABE, Takatoshi, KENMOCHI, Kazuhito, SAKATA, Kei

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GAS-SHIELDED ARC WELDING METHOD, WELDED JOINT, AND WELDED-JOINT PRODUCTION METHOD von TAKADA, Atsushi, ISHIGAMI, Atsushi, OKABE, Takatoshi

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ELECTRIC RESISTANCE WELDED STEEL PIPE AND METHOD FOR PRODUCING SAME, AND LINE PIPE AND BUILDING STRUCTURE von MATSUMOTO, Akihide, IDE, Shinsuke, OKABE, Takatoshi

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Hot-rolled steel sheet for electric resistance welded steel pipe and method for manufacturing the same, electric resistance welded steel pipe and method for manufacturing the same,... von Matsumoto, Atsushi, Okabe, Takatoshi, Matsumoto, Akihide, Ide, Shinsuke

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