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ASME SA672/SA672M

ASTM A672 Standard Specification for Electric-Fusion-Welded Steel Pipe for High Pressure Service at Moderate Temperature covers electrical-fusion-welded steel pipe for high-pressure service at moderate temperature. Heat treatment may or may not be required to attain the desired properties or to comply with applicable code requirements.

Specification：

Types :EFW (Electric Fusion Welded Pipes)
EFW Pipes: 6" NB - 24" NB
Outer Diameter Size : 16" NB To 100" NB (Nominal Bore Size)
Wall Thickness : Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness Length : 5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size
Pipe Ends : Plain Ends / Beveled Ends / threaded Ends/ Coupling
Delivery Conditions : As Rolled, Normalizing Rolled, Thermomechanical Rolled / Formed, Normalizing Formed, Normalized and Tempered / Quenched and Tempered - BR / N / Q /T
Packaging : Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector

Sr No	DESCRIPTION	GRADE	SIZE RANGE
A	ASTM A672 EFW / WELDED PIPES
1	Carbon Steel ASTM A672 EFW Pipes	ASTM A672	1/2″ – 24″
2	Carbon Steel ASTM A672 Black & Galvanized Pipes	ASTM A672	1/2″ – 16″

CHEMICAL COMPOSITION

Specification	Steel grade	Chemical composition						Remarks
Specification	Steel grade	C	Si	Mn	P	S	Ti	Remarks

Pipes for pressure service ASTM A672	-/A45	-/0.17	-	0.98	0.035	0.035	-	A672
	-/A50	-/0.22	-
	CA55/A55	0.28	-
	-/B55	-/0.20	0.13 ~0.45
	CB60/B60	0.24
	CB65/B65	0.28
	CB70/C70	0.31		1.30
	-/C55	-/0.18		0.55 ~0.98
	CC60/C60	0.21		0.55 ~0.98
	CC65/C65	0.24		0.79 ~1.30
	CC70/C70	0.27		0.79 ~1.30

MECHANICAL PROPERTIES

Products	Steel Grade	BASE METAL MECHANICAL COMPOSITION				Welding point tensile strength (N/mm2)	Remarks
Products	Steel Grade	Yield point (N/mm2)	Tensile Stregth (N/mm2)	Test Pieces	Elongation (%)	Welding point tensile strength (N/mm2)	Remarks
Pipes for pressure service ASTM A672	-/A45	-/165	-/310~450	-	-/30	-/310~450	A672
	-/A50	-/185	-/345~485		-/28	-/345~485
	CA55/A55	205	380~515		27	380~515
	-/B55	-/205	-/380~515		-/27	-/380~515
	CB60/B60	220	415~550		25	415~550
	CB65/B65	240	450~585		23	450~585
	CB70/B70	260	485~620		21	485~620
	-/C55	-/205	-/380~515		-/27	-/380~515
	CC60/C60	220	415~550		25	415~550
	CC65/C65	240	450~585		23	450~585
	CC70/C70	260	485~620		21	485~620

ASME SA691/SA691M

ASME SA671/SA671M

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