Proceedings of the KWS Conference (대한용접접합학회:학술대회논문집)

The Korean Welding and Joining Society (대한용접접합학회)
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Characteristic Evaluation of mock-up Structural Welding between casting and pipe for USC TPP

$621^{\circ}C$급 화력발전용 소재 실기규모 Mock-up품 구조용접부 특성평가

  • 이명열 (두산중공업(주) 기술연구원 소재개발팀) ;
  • 지병하 (두산중공업(주) 기술연구원 소재개발팀) ;
  • 송근호 (두산중공업(주) 기술연구원 소재개발팀) ;
  • 김정태 (두산중공업(주) 기술연구원 소재개발팀)
  • Published : 2007.11.15
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Abstract

In this study, actual scale welding were conducted at the USC thermal power plant turbine and main steam pipe casting candidate mock up material 9Cr-1.5Mo-CoVNbNB steel(CB2) and 9Cr-0.5Mo-MVNbN steel(P92). And to evaluate the welding process for the actual production, mechanical property testes were conducted for the weld metal. The Mock-up welding condition successfully led to an excellent structural welding joint between casting and pipe material.

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