ASTM A53 GR.A steel pipe

ASTM A53 GR.A steel pipe is intended for mechanical and pressure application and is also acceptable for ordinary uses in steam,water,gas, and air lines.

ASTM A53 GR.A steel specification for pipe,steel,black and hot-dipped, zinc-coated,welded and seamless.

ASTM A53 GR.A material chemical composition

Grade	C	Mn	P	S	Cu	Ni	Cr
ASTM A53 GR.A	Seamless pipe
	0.25	0.95	0.05	0.045	0.40	0.40	0.40
	Electric-resistance-welded
	0.25	0.95	0.05	0.045	0.40	0.40	0.40
	Furnace -welded pipe
	0.30	1.20	0.05	0.045	0.40	0.40	0.40

ASTM A53 GR.A steel pipe mechanical properties

	Grade A
Tensile strength,min,psi,[mpa]	48000[330]
Yield strength,min,psi,[mpa]	30000[205]
Elongation in 2 in,[50mm]	---

Katalor is the ASTM A53 GR.A steel pipe supplier,if you need ASTM A53 GR.A welded steel pipe and ASTM A53 GR.A seamless steel 

http://www.heavy-steels.com/steel-pipe/ASTM-A53-GRA-steel-pipe.html?li

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