Name: China LSAW Steel Pipes Suppliers, Manufacturers, Factory - Good Price - Tianjin Lefin
Brand: Lefin
SKU: 176539123

Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of lsaw steel pipes in China. Please feel free to buy high quality lsaw steel pipes from our factory. Good service and reasonable price are available.

LSAW Steel Pipe

Pipe Type: Longitudinal Welded Pipe, Longitudinal Submerged Arc Welded Pipe
Application: Used for Fluids Transmission, Structural Support in Industrial Construction
Specification: OD: 406mm ~ 1422 mm
WT:6.4mm ~ 44.5mm
LENGTH:1mtr ~ 12.5mtr
Standard & Grade: API5L X52 X60 X70 ASTM A53 Grade A/B/C ASTM A572 GR.50 GR.60 EN10219 EN10217 S355J2H S460 S550

Ends: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating/FBE Coating
Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped
LSAW Steel Pipe Dimension


Out Diameter		Wall Thickness(mm)
Inch	mm	6.4	7.1	7.9	9.53	12.7	14.3	15.9	19.1	22.2	25.4	28.6	31.8	34.9	38.1	41.3	44.5
16	406.4
18	457
20	508
22	559
24	610
26	660
28	711
30	762
32	813
34	864
36	914
38	965
40	1016
42	1067
44	1118
46	1168
48	1219
52	1321
56	1422
60	1524
64	1626

Technical data

olerance of Outside Diameter and Wall Thickness

Types	Standard
Types	SY/T5040-2000	SY/T5037-2000	SY/T9711.1-1977	ASTM A252	AWWA C200-97	API 5L PSL1
Tube end OD deviation	±0.5%D	±0.5%D	-0.79mm～+2.38mm	<±0.1%T	<±0.1%T	±1.6mm
Wall thickness	±10.0%T	D<508mm, ±12.5%T	-8%T～+19.5%T	<-12.5%T	-8%T～+19.5%T	5.0mm<T<15.0mm, ±0.11
Wall thickness	±10.0%T	D>508mm, ±10.0%T	-8%T～+19.5%T	<-12.5%T	-8%T～+19.5%T	T≥15.0mm, ±1.5mm

Chemical Composition and Mechanical Properties

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