QC7:1993 SUPPLEMENT F, CHEMICAL PLANT AND PETROLEUM REFINERY PIPING
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This Supplement F to AWS standard QC7-93 describes testing administrated by Accredited Test Facilities to the requirements of AWS QC4. The welder performance testing for this Supplement was developed using ANSI/ASME B31.3, Chemical Plant and Petroleum Refinery Piping, and ASME Boiler and Pressure Vessel Code, Section IX, Welding and Brazing Qualifications as reference.
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