STEEL FITTINGS MATERIAL SPECIFICATIONS

All carbon and alloy steel specifications are quality assured throughout the manufacturing process from initial melt to hot rolling to final machining and packaging. Materials are coded and heat number marked to provide full traceability on all carbon and alloy forged steel products.

 

Name ASTM No. Spec'tn Grade Marketing UNS No. Nominal Composition Tensile P.S.I. Min. Yield P.S.I. Min. ELON. IN. 2" Min. RED. OF AREA Min.
CARBON STEEL A105 A105 -- C-.35max Mn-.6-1.05 Phos.-.04 max Sul. -.05 max Si-.35 max 70,000 36,000 22 30
4-6% Chr-1/2 % MOLY A182 F5-F5A K41545-K42544 c-.15 max Cr-4.0-6.0 Mo-.44-65C.-15 max Cr-4.0-6.0 Mo-.44-.65 90,000 65,000 22 50
9% Chrome A182 F9 K90941 Cr-8.0-0.0 C-.05-.15 Mo-.9-1.1 85,000 55,000 20 40
1-1/4% Chr-1/2% MOLY A182 F11 K11597 Cr-1.0-1.5 C-.05-.15 max Mo-.44-.65 75,000 45,000 20 40
2-1/4% Chr- 1/2% MOLY A182 F22 K21590 Cr-2.0-2.5 C-.05-.15 max Mo-.87-1.13 75,000 45,000 20 35
LF2 A350 LF2 -- C-3.0 max Mn-.6-1.35 max P-.035 max S-.04 max Si-.15-.30 70,000-95,000 36,000 22 30
LF3 A350 LF3 -- C-.20 max Mn-.90 max P-.035 max S-.04 max Ni-3.25-3.75 70,000-95,000 37,500 22 35
TYPE 304 Stainless A182 F304 S30400 Cr-18.0-20.0 C-.08 max Ni-8.0-11.0 75,000 30,000 30 50
TYPE 304L Stainless A182 F304L S30403 Cr-18.0-20.0 C-.035 max Ni-8.0-13.0 70,000 25,000 30 50
TYPE 316 Stainless A182 F316 S31600 C-16.0-18.0 C-.08 max Ni-10.0-14.0 Mo-2.-3.0 75,000 30,000 30 50
TYPE 316L Stainless A182 F316L S31603 C-16.0-18.0 C-.035 max Ni-10.0-15.0 Mo-2.0-3.0 75,000 25,000 30 50
TYPE 347 Stainless A182 F347 S34700 Cr-17.0-20.0 C-.08 max Ni-9.0-12.0 75,000 30, 000 30 50
TYPE 321 Stainles A182 F321 S32100 Cr-17 min C-.08 max Ni-9.0-13.0 75,000 30,000 30 50
TYPE 317L Stainless A182 F317L S31703 Cr-18.0-20.0 C-.03 max Ni-11.0-15.0 70,000 25,000 30 50
ALLOY400 366 WPNC NO4400 Ni-63.0 min Cu-28.0-34.0 70,000 25,000 25 --
ALLOY 600 B366 WPNC1 NO6600 Ni-72.0 mn Cr-14.0-17.0 Fe-6.0-10.0 80,000 35,000 25 --
Nickel 200 B366 WPN NO2200 Ni-99.0 min Cu-.25 max 55,000 15,000 10 --
Copper Nickel 70/30 B151 70/30 C71500 70% Copper 30 % Nickel 45,000 15,000 30 --
Copper Nickel 90/10 B151 90/10 C70600 90% Copper 10 % Nickel 38,000 15,000 30 --
ALLOY 20 B462 A20 NO8020 Cb+Ta-8xc-1.00 80,000 35,000 30 50

 

Class Marking
Threaded Fittings 2000 (2M) Class 2000 for use with Sch. 80 Pipe
3000 (3M) Class 3000 for use with Sch. 160 Pipe
6000 (6M) Class 6000 for use with XXH Pipe
Socket Weld Fittings 3000 (3M) Class 3000 for use with Sch. 80 Pipe
6000 (6M) Class 6000 for use with Sch. 160 Pipe
9000 (9M) Class 9000 for use with XXH Pipe

 

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