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Search results with tag "Welding procedure specification no"
WELDING PROCEDURE SPECIFICATION NO. 45-32-1
www.ncpwbdb.orgnational certified pipe welding bureau welding procedure specification no. 45-32-1 for gas tungsten arc welding (gtaw) and shielded metal arc welding (smaw)
WELDING PROCEDURE SPECIFICATION NO. 8:1-3-1
www.ncpwbdb.orgnational certified pipe welding bureau welding procedure specification no. 8:1-3-1 for gas tungsten arc welding (gtaw) of austenitic stainless steel pipe, valves, fittings and flanges