ASME/ASTM STANDARD SPECIFICATION
BLACK NOMINAL SEAMLESS STEEL PIPE (ASME SA53/ASTM A53)
Standard: ASME SA53/ASTM A53        Steel grades: GRADE A, GRADE B
Delivery condition: Hot-finished
Size range: OD NPS 2 1/2 TO NPS 24, WT 6MM TO 35MM, ACCORDING TO ASME/ANSI B36.10M
Tolerance: according to ASME SA53/ASTM A53
Length: customized according to requirements
Certificate: EN 10204/3.1
GENERAL INFORMATION:
Pipes are intended for mechanical and pressure applications, as well as ordinary uses in steam,water, gas and airlines.
CHEMICAL COMPOSITION (CAST ANALYSIS) IN%
Steel grade	delivery condition	C max	Si max	Mn max	P max	S max	Ni max	Cr max	Cu max	Mo max	V max
A	Hot-finished	0.25	--	0.95	0.050	0.05	0.40	0.40	0.40	0.15	0.08
B	Hot-finished	0.30	--	1.20	0.050	0.05	0.40	0.40	0.40	0.15	0.08
MECHANICAL PROPERTIES
Steel grade	Yield strength Min (Mpa)		Tensile strength Min(Mpa)			Elongation A Min(%)
A	205		330			AS PER ASME SA53/ASTM A53
B	240		415