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

Sample text

75 mm) or less. 2 Reduced Section — Pipe. 1(b) may be used for tension tests on all thicknesses of pipe having an outside diameter greater than 3 in. (75 mm). (a) For thicknesses up to and including 1 in. (25 mm), a full thickness specimen shall be used for each required tension test. (b) For pipe thicknesses greater than 1 in. 2(d) are complied with. (c) When multiple specimens are used, in lieu of full thickness specimens, each set shall represent a single tension test of the full pipe thickness.

1(d) from two of the coupons. The specimens shall be tested in accordance with QW-150. 3 Section and Bend Testing. The entire circumference of each remaining pipe coupon shall be cut along the axis of the pipe into an even number of strips of a length sufficient to perform bend tests. The maximum width of each strip shall be 11⁄2 in. (38 mm) and the minimum width w p t + D/4 for pipes NPS 2 (DN 50) and smaller w p t + D/8 for pipes greater than NPS 2 (DN 50) where D p OD of the tube t p nominal wall thickness w p width of the specimen One edge of one strip from each coupon shall be polished to a 600 grit finish with the final grinding parallel to the long axis of the strip.

A) For thicknesses up to and including 1 in. 1(d)]. (b) For thicknesses over 1 in. (25 mm), multiple specimens shall be cut through the full thickness of the weld with their centers parallel to the metal surface and not over 1 in. (25 mm) apart. The centers of the specimens adjacent to the metal surfaces shall not exceed 5⁄8 in. (16 mm) from the surface. (c) When multiple specimens are used, each set shall represent a single required tension test. Collectively, all the specimens required to represent the full thickness of the weld at one location shall comprise a set.

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