S9074-AQ-GIB-010/248 Rev 1
Table 7-1. Grouping of Base Materials (Welding) 1/ - Continued
Letter No.
Applicable Document
Class or Type
S-3A
Alloy steels (Cr content not to exceed 3/4 percent; total alloy not to exceed 2 percent) ASTM A302/A302M MnMo, grade B (plate) MIL-DTL-23194 NiCrMo, composition A (forgings) MIL-S-24238 NiMnMo, composition A (plate) Alloy steels (Cr content 3/4 - 2 percent; total alloy not to exceed 2-3/4 percent) SAE AMS6530 CrNiMo, type 8630 (tube) MIL-T-6736 CrMo, type 4130 (tube) MIL-S-8699 CrMoV, type 4330 (bar, forging) MIL-S-15464 CrMo class 1 (casting) ASTM A182/A182M Grade F11 ASTM A213/A213M Grade T11 (tube) DOD-F-24669/1 CrMo, type 4130 (bar) MIL-P-24691/2 CrMo, grade P11 (tube and pipe) DOD-F-24669/2 CrMo, class a (forgings) MIL-C-24707/2 ASTM A217/A217M, grade WC6 (casting) MIL-S-18728, CrNiMo, type 8630 (plate)
S-4
SAE AMS6345, SAE AMS6350, SAE AMS6351 MIL-S-18729, SAE AMS6345, SAE AMS6350, SAE AMS6351
CrMo, type 4130 (plate)
S-5
Alloy steels (total alloy content 10 percent max.) ASTM A182/A182M
Grade F22
ASTM A213/A213M
Grade T22
MIL-S-860
CrMoV, grade F (forgings)
MIL-S-15464
CrMo, class 2 (casting)
MIL-T-16286
CrMo, class e (tube)
MIL-P-24691/2
CrMo, grade P22 (tube and pipe)
DOD-F-24669/2
CrMo, class b (forging)
MIL-F-24669/8
CrMoV, grade F (forgings)
DOD-F-24669
CrMo (bar and forgings)
MIL-C-24707/2
ASTM A217/A217M, grade WC9 (casting)
See footnotes at end of table.
7-7
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