ASME B31.3 Process piping -2006:' _- C' P7 v& n4 n6 k0 v
345.9 Alternative Leak Test ) i. {! o' x, y+ R1 tThe following procedures and leak test method may : \. P8 c2 ^8 `+ U/ ^be used only under the conditions stated in para.; `0 h( W/ ?3 Q( k, i, S
345.1(c).4 x/ g' G( h2 p" d
345.9.1 Examination of Welds. Welds, including- M% G: x+ ^& ~* t3 T, t
those used in the manufacture of welded pipe and fittings,; B* i8 q4 ^8 ^8 U
which have not been subjected to hydrostatic or 1 Y; F8 j- d% k$ V* u4 Wpneumatic leak tests in accordance with this Code, shall 0 Q n8 y& o- ?1 M8 V) D' Z; nbe examined as follows:4 w9 v( v8 M; c: k0 M* t/ W/ h
79( V5 H$ E% V5 Q
(a) Circumferential, longitudinal, and spiral groove k; t- T* v, ]) @
welds shall be 100% radiographed in accordance with + A4 b# h/ b4 j" s# npara. 344.5 or 100% ultrasonically examined in accordance 6 D' d) a7 s* p8 Mwith para. 344.6.) ^3 N$ M) ^& F
(b) All welds, including structural attachment welds,+ K# P" z0 [$ M) L* o( i
not covered in (a) above, shall be examined using the4 R1 z2 W0 \3 b7 ]- P3 A" }! a. ?2 H
liquid penetrant method (para. 344.4) or, for magnetic : x' w' L/ a0 E- \. Dmaterials, the magnetic particle method (para. 344.3).