The Japan Welding Engineering Society (JWES) published the guideline for repair welding of pressure equipment, CP-0902 in 2009. Considering the regal approval of each repair welding procedure for pressure equipment, JWES WES7700 has been also published in 2012. This paper summarizes the contents of WES7700 along with a verification of repair welding procedures such as minimum required grind out thickness for thermal removal of flaws, minimum required throat thickness of fillet welds for patched plates by experimental pressure tests and FEM analysis and some comparison of the requirements of several stamdards for repair weldings.
Volume Subject Area:
Operations, Applications and Components
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