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Welding Codes and Standards

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American Society of Mechanical Engineers (ASME) Codes The American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code (BPVC) covers all aspects of design and manufacture of boilers and pressure vessels. All sections contain welding specifications, however most relevant information is contained in the following: ASME BPVC Section V Nondestructive Examination ASME BPVC Section IX Welding and Brazing Qualifications ASME B16.25 ASME BPVC Section II American Welding Society (AWS) Standards The American Welding Society (AWS) publishes over 240 AWS-developed codes, recommended practices and guides which are written in accordance with American National Standards Institute (ANSI) practices. The following is a partial list of the more common publications: Standard Number † Title AWS A02.4 Standard symbols for welding, brazing, and non-destructive exami