ASME B31.3 Process piping -2006: & } j4 T) K! U+ _345.9 Alternative Leak Test : j8 n( V1 ?/ ]" K! ?# c$ yThe following procedures and leak test method may+ v" d! |- } Z; H8 `
be used only under the conditions stated in para. 1 T1 C6 l8 O; _% n) s4 h( @345.1(c). ; m1 Z+ G, l l7 k. J345.9.1 Examination of Welds. Welds, including" `4 O' G- O3 `0 k1 T, g/ G
those used in the manufacture of welded pipe and fittings, ! l0 l6 a) k* e4 C5 Z5 Wwhich have not been subjected to hydrostatic or ! Q8 i# [. w6 h5 T, lpneumatic leak tests in accordance with this Code, shall; o& F$ k( m$ R1 x
be examined as follows:" |( H, x; w4 `8 F
79 & ?$ d0 y3 k7 W5 T(a) Circumferential, longitudinal, and spiral groove ) r, n' ~( K5 C) j* n* @! Hwelds shall be 100% radiographed in accordance with* ?+ [& n) [, }# F
para. 344.5 or 100% ultrasonically examined in accordance u" i1 w" _; w( G, c+ a. c ?2 Nwith para. 344.6.8 m- ]0 }) a$ J+ G) @# P1 l e
(b) All welds, including structural attachment welds, # m. L G% ^& k4 O. M- b. Gnot covered in (a) above, shall be examined using the 1 i" t+ i# O: \- P( k- x0 [1 Xliquid penetrant method (para. 344.4) or, for magnetic& O; J7 {5 E- t
materials, the magnetic particle method (para. 344.3).