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ASME's 2007 BPVC Section IX - Welding and Brazing Qualifications PDF

By ASME

ISBN-10: 0791830713

ISBN-13: 9780791830710

This part includes principles with regards to the qualification of welding and brazing tactics as required by way of different Code Sections for part manufacture. It additionally covers ideas in relation to the qualification and requalification of welders, brazers, and welding and brazing operators so they may perhaps practice welding or brazing as required through different Code Sections within the manufacture of elements. Welding and brazing info disguise crucial and nonessential variables particular to the welding or brazing method used

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Additional info for 2007 BPVC Section IX - Welding and Brazing Qualifications

Example text

The failure strength shall be based on the minor diameter of the threaded section of externally threaded studs, except where the shank diameter is less than the minor diameter, or on the original crosssectional area where failure occurs in a nonthreaded, internally threaded, or reduced-diameter stud. 4 Acceptance Criteria — MacroExamination. 5 when studs are welded to metals other than P-No. 1. shall show complete fusion and no evidence of burning through the tube wall, and shall be free from cracking or porosity.

3(a). 4. 3 Transverse Root Bend. The weld is transverse to the longitudinal axis of the specimen, which is bent so that the root surface becomes the convex surface of the bent specimen. 3(a). 4. 4 Subsize Transverse Face and Root Bends. 3(a). 5 Longitudinal-Bend Tests. 6 Longitudinal Face Bend. The weld is parallel to the longitudinal axis of the specimen, which is bent so that the face surface becomes the convex surface of the bent specimen. 3(b). Guided-bend test specimens shall be prepared by cutting the test plate or pipe to form specimens of approximately rectangular cross section.

1 Terminology relevant indications: indications with major dimensions greater than 1⁄16 in. 5 mm). linear indications: an indication having a length greater than three times the width. rounded indications: an indication of circular or elliptical shape with the length equal to or less than three times the width. 2 Acceptance Standards. Procedure and performance tests examined by liquid penetrant techniques shall be judged unacceptable when the examination exhibits any indication in excess of the limits specified in the following: (a) relevant linear indications (b) relevant rounded indications greater than 3⁄16 in.

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2007 BPVC Section IX - Welding and Brazing Qualifications by ASME


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