Download ASME Section IX 2010 ASME Boiler and Pressure Vessel Code, by ASME PDF

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Extra resources for ASME Section IX 2010 ASME Boiler and Pressure Vessel Code, Section IX: Welding and Brazing Qualifications

Example text

The mockup welds shall be sectioned through the center of the tube for macro-examination. The four exposed surfaces shall be smoothed and etched with a suitable etchant (see QW-470) to give a clear definition of the weld and heat-affected zone. Using a magnification of 10X to 20X, the exposed cross sections of the weld shall confirm (a) minimum leak path dimension required by the design (b) no cracking (c) complete fusion of the weld deposit into the tubesheet and tube wall face (d) complete penetration of the weld deposit to within 1 ⁄64 in.

2 Personnel Qualifications and Certifications (a) The Manufacturer shall verify all personnel performing ultrasonic examinations for welder and welding operator qualifications have been qualified and certified in accordance with their employer’s written practice. (b) The employer’s written practice for qualification and certification of examination personnel shall meet all applicable requirements of SNT-TC-1A1 for the examination method and technique. 8 2010 SECTION IX Required Torque for Testing Threaded Austenitic Stainless Steel Studs Nominal Diameter Threads/in.

The purpose of the performance qualification test for the welding operator is to determine the welding operator’s mechanical ability to operate the welding equipment. 3 Welding Procedure Specifications (WPS) written and qualified in accordance with the rules of this Section, and welders and welding operators of automatic and machine welding equipment also qualified in accordance with these rules may be used in any construction built to the requirements of the ASME Boiler and Pressure Vessel Code or the ASME B31 Code for Pressure Piping.

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