TABLE I. Groupings of base materials (welding)
LETTER NO.
APPLICABLE DOCUMENT
CLASS OR TYPE
304 (Plate, Sheet, Strip) 304L
309 310 316 316L
ASTM A 240
321 347
Class I (Castings) Class II Class III
MIL-S-867
304 (pipe) 304L 316 316L
MIL-P-1144
321 347
S-8
MIL-T-8504
304 (tubing)
MIL-T-16286
Class C (Tube seamless)
MIL-T-17509
Class I, II, III
304 (bar and forgings) 304L
MIL-T-23195
347 348
304 (plate, sheet, strip) 304L
MIL-T-23196
347 348
304 (tube and pipe) 304L
MIL-T-23226
347 348
304 (fittings and flanges) 304L
MIL-T-23467
347 348
See footnotes at end of table.
Original 30
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