锻件按照SA-388/SA-388M或SA-745/SA-745M进行检验。
T-571.2 Forgings and Bars.
(a) Forgings and bars shall be examined in accordance with SA-388/SA-388M or SA-745/SA-745M, as applicable, except as amended by the requirements elsewhere in this Article.
(b) All forgings and bars shall be examined by the straight-beam examination technique.
(c) In addition to (b), ring forgings and other hollow forgings shall also be examined by the angle-beam examination technique in two circumferential directions, unless wall thickness or geometric configuration makes anglebeam examination impractical.
(d) In addition to (b) and (c), ring forgings made to fine grain melting practices and used for vessel shell sections shall be also examined by the angle-beam examination technique in two axial directions.
(e) Immersion techniques may be used. |