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Cross Reference of ASTM Material Specifications
(Fittings, Flanges, Unions and Cast and Forged Valves)
Material	Forgings	Castings	Wrought Fittings
Carbon Steel	A105	A216-WCB	A234-WPB
Cold Temperature Service	A350-LF2		A420-WPL6
Carbon-1/2 Molybdenum   Alloy Steel	A182-F1		A234-WP1
High Temperature Service		A217-WC1
		A352-LC1
3-1/2 Nickel Alloy Steel	A350-LF3	A352-LC3	A420-WPL3
Low Temperature Service
1/2 Cr-1/2 Mo Alloy Steel	A182-F2		A234-WP12 CL2
1/2 Cr-1/2 Mo-1 Ni Alloy		A217-WC4
3/4 Cr-1 Mo-3/4 Ni Alloy Steel		A217-WC5
1 Cr-1/2 Mo Alloy Steel	A182-F12 CL2
1-1/4 Cr-1/2 Mo Alloy Steel	A182-F11 CL2	A217-WC6	A234-WP11 CL2
2-1/4 Cr-1 Mo Alloy Steel	A182-F22 CL3	A217-WC9	A234-WP22 CL3
5 Cr-1/2 Mo Alloy Steel	A182-F5		A234-WP5
5 Cr-1/2 Mo Alloy Steel	A182-F5a	A217-C5
9 Cr-1 Mo Alloy Steel	A182-F9	A217-C12	A234-WP9
13 Cr Alloy Steel	A182-F6	A743-CA15
Type 304 Stainless Steel  (18 Cr-8 Ni)
Standard	A182-F304	A351-CF3	A403-WP304
Low Carbon	A182-F304L		A403-WP304L
High Temperature Service	A182-F304H	A351-CF8	A403-WP304H
Type 310 Stainless Steel  (25 Cr-20 Ni)	A182-F310H	A351-CK20	A403-WP310
Type 316 Stainless Steel  (16 Cr-12 Ni-2 Mo)
Standard	A182-F316		A403-WP316
Low Carbon	A182-F316L		A403-WP316L
High Temperature	A182-F316H	A351-CF3M	A403-WP316H
		A351-CF8M
Type 317 Stainless Steel  (18 Cr-13 Ni-3 Mo)			A403-WP317
Type 321 Stainless Steel  (18 Cr-10 Ni-Ti)
Standard	A182-F321		A403-WP321
High Temperature Service	A182-F321H		A403-WP321H
Type 347 Stainless Steel  (18 Cr-10 Ni-Cb)
Standard	A182-F347	A351-CF8C	A403-WP347
High Temperature Service	A182-F347H		A403-WP347H
Type 348 Stainless Steel  (18 Cr-10 Ni-Cb)
Standard	A182-F348		A403-WP348
High Temperature Service	A182-F348H		A403-WP438H