ASME B31.3 Process piping -2006: u W; T1 A. ?8 }8 E5 ]( a1 x7 k345.9 Alternative Leak Test / U1 A1 z# [; {0 m6 PThe following procedures and leak test method may 5 l* d) q1 }. ~5 M- _ [be used only under the conditions stated in para. " J3 P% d% S3 k1 O345.1(c).. _: n/ \' Q6 c, [9 V
345.9.1 Examination of Welds. Welds, including* E4 O& D. y7 @! \5 V0 A
those used in the manufacture of welded pipe and fittings,1 g5 ?; I4 z) W& j- _
which have not been subjected to hydrostatic or) s2 x S; Z6 f$ N/ O5 J
pneumatic leak tests in accordance with this Code, shall " Y2 L* k4 D8 {5 vbe examined as follows: : z2 g& Q! d: f, k! i; X# T4 i79 9 L* J( j1 u' A L; o(a) Circumferential, longitudinal, and spiral groove & s, M# Y4 v4 \/ C9 K# f( m) Cwelds shall be 100% radiographed in accordance with 3 _! g7 E7 H2 q% s5 epara. 344.5 or 100% ultrasonically examined in accordance" \# `9 Q; b- s& k: \- `2 P
with para. 344.6. 0 j& v! m/ A* a1 i/ m(b) All welds, including structural attachment welds, , N# N; N% S$ dnot covered in (a) above, shall be examined using the- l# r1 a1 q) f" J- V
liquid penetrant method (para. 344.4) or, for magnetic 6 w; B3 ]+ Z: n! T2 L" Rmaterials, the magnetic particle method (para. 344.3).