(a) Vessels and vessel parts shall be preheated and postweld heat treated in accordance with PW-38 and PW-39 of section I of the ASME Boiler and Pressure Vessel Code (incorporated by reference; see 46 CFR 52.01-1) (reproduces PW-10). This includes boiler parts made of pipe material even though they may be nondestructively examined under §52.05-20.

[CGFR 68-82, 33 FR 18815, Dec. 18, 1968, as amended by USCG-2003-16630, 73 FR 65162, Oct. 31, 2008]