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Welding repair – Fabrication defects and service failures

Introduction Welding repair of defects ranges from simple operations to improve the weld profile to more extensive procedures involving significant metal removal and subsequent rewelding to address extensive cracking. Repairing defects that occur during fabrication is generally easier than addressing service failures because the same…

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Welding Procedure and performance qualification

Welding Procedure and performance qualification – ASME Section IX Welding Procedure Specification (WPS) A Welding Procedure Specification (WPS) is a written document that provides detailed instructions to the welder for making production welds in accordance with code requirements. Every WPS must be qualified by the manufacturer….