C.F.R. » Title 46 » CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY › SUBCHAPTER F—MARINE ENGINEERING › PART 56—PIPING SYSTEMS AND APPURTENANCES › Subpart 56.85—Heat Treatment of Welds

46 C.F.R. § 56.85-10

Preheating

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The minimum welding preheat procedures and temperatures must be as stated in section 131 and Table 131.4.1 of ASME B31.1 (incorporated by reference; see § 56.01-2).

[CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by CGFR 69-127, 35 FR 9980, June 17, 1970; CGD 72-104R, 37 FR 14234, July 18, 1972; CGD 72-206R, 38 FR 17229, June 29, 1973; CGD 73-254, 40 FR 40166, Sept. 2, 1975; CGD 77-140, 54 FR 40615, Oct. 2, 1989; USCG-2003-16630, 73 FR 65185, Oct. 31, 2008]