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ترجمه RADIOGRAPHIC AND ULTRASONIC EXAMINATION - UW11

 در ابتدا پاراگرافهایی مطرح شده است که اجرای 100درصد رادیوگرافی در اتصالات مخزن الزامیست.

(a) Full Radiography. The following welded joints shall be examined radiographically for their full length in the manner prescribed in UW-51:
1. all butt welds in the shell and heads of vessels used to contain lethal substances [see UW-2(a)];
2. all butt welds in the shell and heads of vessels in which the nominal thickness [see (g) below] at the welded joint exceeds 1 1/2in. (38 mm), or exceeds the lesser thicknesses prescribed in UCS-57, UNF-57, UHA-33, UCL-35,orUCL-36 for the materials covered therein, or as otherwise prescribed in UHT-57, ULW-51, ULW-52(d), ULW-54,or ULT-57;

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ASME B31 Piping Codes

Piping codes developed by the American Society of Mechanical Engineers:

B31.1 Power Piping

Piping typically found in electric power generating stations, in industrial and institutional plants, geothermal heating systems and central and district heating and cooling plants.