ASME/ASTM Standard Pipe for Normal Purposes Standard ASTM A53 Application It is applied as pressed and forced parts and as pipeline for steam, water, gas and atmosphere delivery. Main Steel Tube Grades A53A, A53B etc. Other grades can also be provided after consulting with customers. Chemical Composition

Standard	Grade	Chemical Composition %
		C	Mn	P	S	Cr	Mo	Ni	Cu	V
ASTM A53	A	≤0.25	≤0.95	≤0.05	≤0.045	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	B	≤0.30	≤1.20	≤0.05	≤0.045	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08

Mechanical Properties

Standard	Grade	Mechanical Properties
		Tensile Strength MPa	Yield Strength MPa
ASTM A53	A	≥330	≥205
	B	≥415	≥240