347/347H

Type	Seamless & Welded Pipe	Butt Weld Fittings	Flanges & Pressure Fittings
Sizes	1/4″ thru 16″	1/2″ thru 12″	All descriptions
Schedules	Sch 10, 40, 80, 160 & XXH	Sch 10, 40, 80, 160, & XXH

ASTM Standards

Bar	Butt Weld Fittings	Forgings	Pipe, Welded & Seamless	Tube, Welded	Tube, Seamless	Plate
A276, A479	A403	A182	A312	A249	A213	A240

Minimum Physical Properties

Tensile Strength	Yield Strength
75 KSI Min.	30 KSI Min.

Chemical Composition (wt%)

C	Mn	P	S	Si	Ni	Cr	Fe	Ti
0.04 – 0.08	2.00 Max	0.04 Max	0.03 Max	0.75 Max	9.0 – 13.0	17.0 – 20.0	Balance	0.4 – 1.0

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