RT / MPI before PWHT is internal inspection and RT / MPI after PWHT is
required by ASME B.31.3 para 341.3 Examination requirements,
(a) for P.nos 3,4 and 5 materials Examination shall be performed after 72 hours
completion of any heat treatment.
--
George Xue (Xue Guoliang)
Suzhou CXGL Mechanical Engineering Co., Ltd.
Purchasing and Engineering Manager
Rm 418 No.979, Sanxiang Road, Suzhou, 215004, Jiangsu，China
Tel: +86-512-68639769 Fax: +86-512-68639492
Email: cxueguoliang@gmail.com
Skype: xuegl2001
--
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