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ERW Steel Pipe

Straight seam welded pipe, steel pipe made of hot or cold rolled steel plate or steel strip coil welding, straight seam welded pipe on the welding equipment are called straight seam welded pipe. (Because the welding of the steel pipe is a straight line, so named).

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SPECIFICATION

PRODUCT DISPLAY

MATERIAL / DOCUMENT DOWNLOAD

Sizes:

OD (Out Diameter): 21.3-630mm
WT (Wall Thickness): 1.0-20mm or sch5, sch10, sch40, sch80, st, xs

Standard:

for erw pipe

ASTM A53 B, A106, ASTM A178, ASTM A252

API 5L X42/46/52/56/60/70

ASTM A500, ASTM A513

EN 10204/10217 S235JR,S275JR, S355,S355JR,S355J2H

OD		WT
Inch	mm	8 5/8"	219.1mm	10 3/4"	273.1mm	12 3/4"	325.0mm	14"	355.6mm	16"	406.4mm	18"	457.7mm	20"	508.0mm	24"	610mm	24 4/5"	630.0mm
0.157	4	----	---
0.197	5	---	---	---	---	---	---	---	---
0.236	6	---	---	---	---	---	---	---	---	---	---	---	---
0.276	7	---	---	---	---	---	---	---	---	---	---	---	---	---	---
0.315	8	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
0.354	9	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
0.394	10	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
0.133	11	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
0.492	12.5	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
0.551	14					---	---	---	---	---	---	---	---	---	---	---	---	---	---
0.63	16					---	---	---	---	---	---	---	---	---	---	---	---	---	---
0.689	17.5									---	---	---	---	---	---	---	---	---	---
0.748	19											---	---	---	---	---	---	---	---
0.787	20													---	---	---	---	---

API 5L	PSL1/PSL2 Gr.A, Gr.B, X42, X46, X52, X56, X60, X65, X70
ASTM	A53 GR.A, GR.B
EN	S275, S275JR, S355JRH, S355J2H
GB	Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360-L555

A106	C	Mn	P	S	Yes	Cr	With	Mo	Nor	V
Grade A	0.25	0.27-0.93	0.035	0.035	0.1	0.4	0.4	0.15	0.4	0.08
Grade B	0.3	0.29-1.06	0.035	0.035	0.1	0.4	0.4	0.15	0.4	0.08
Grade C	0.35	0.29-1.06	0.035	0.035	0.1	0.4	0.4	0.15	0.4	0.08

A53	grade	C	Mn	P	S	Cu	Ni	Cr	Mo	V
Type S (Seamless).	A	0.25	0.95	0.05	0.05	0.4	0.4	0.4	0.15	0.08
Type S (Seamless).	B	0.3	1.2	0.05	0.05	0.4	0.4	0.4	0.15	0.08
Type E (Resistance Soldering).	A	0.25	0.95	0.05	0.05	0.4	0.4	0.4	0.15	0.08
Type E (Resistance Soldering).	B	0.3	1.2	0.05	0.05	0.4	0.4	0.4	0.15	0.08
Type F (furnace welding).	A	0.3	1.2	0.05	0.05	0.4	0.4	0.4	0.15	0.08

standard	grade	Chemical composition (max)%					Mechanical properties (min).
standard	grade	C	Mn	Si	S	P	Yield strength(Mpa)	tensile strength(Mpa)
GB/T700-2006	A	0.22	1.4	0.35	0.050	0.045	235	370
	B	0.2	1.4	0.35	0.045	0.045	235	370
	C	0.17	1.4	0.35	0.040	0.040	235	370
	D	0.17	1.4	0.35	0.035	0.035	235	370
GB/T1591-2009	A	0.2	1.7	0.5	0.035	0.035	345	470
	B	0.2	1.7	0.5	0.030	0.030	345	470
	C	0.2	1.7	0.5	0.030	0.030	345	470
BS En10025	S235JR	0.17	1.4	-	0.035	0.035	235	360
	S275JR	0.21	1.5	-	0.035	0.035	275	410
	S355JR	0.24	1.6	-	0.035	0.035	355	470
DIN 17100	ST37-2	0.2	-	-	0.050	0.050	225	340
	ST44-2	0.21	-	-	0.050	0.050	265	410
	ST52-3	0.2	1.6	0.55	0.040	0.040	345	490
JIS G3101	SS400	-	-	-	0.050	0.050	235	400
JIS G3101	SS490	-	-	-	0.050	0.050	275	490
API 5L PSL1	A	0.22	0.9	-	0.03	0.03	210	335
	B	0.26	1.2	-	0.03	0.03	245	415
	X42	0.26	1.3	-	0.03	0.03	290	415
	X46	0.26	1.4	-	0.03	0.03	320	435
	X52	0.26	1.4	-	0.03	0.03	360	460
	X56	0.26	1.1	-	0.03	0.03	390	490
	X60	0.26	1.4	-	0.03	0.03	415	520
	X65	0.26	1.45	-	0.03	0.03	450	535
	X70	0.26	1.65	-	0.03	0.03	585	570

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