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LSAW Steel Pipe

Keywords: Longitudinal Welded Pipe, Longitudinal Submerged Arc Welded Pipe
Size: OD: 406mm ~ 1422 mm;WT: 6.4mm ~ 44.5mm;LENGTH: 5mtr ~ 12mtr
Standard & Grade: ASTM A53 Grade A/B/C
Ends: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Delivery: Within 30 days and Depends on your order quantity
Payment: TT, LC , OA , D/P
Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped
Usage: Used for Fluids Transmission, Structural Support in Industrial Construction

The UOE  LSAW STEEL PIPE mill features the most advanced technology and process, achieves high production efficiency, stable product quality and is equipped with complete inspection equipment. UOE mill adopts U & O forming, the formed pipes are welded inside through five internal welding stations with three wires, and welded outside through four external welding stations with three wires. In accordance with different requirements of the customers, the welded pipe can be expanded either by mechanical or hydrostatic expand to improve dimensional accuracy, and eliminate residual stress.


Specifications

Outside Diameter 508mm- 1118mm (20″- 44″)
Wall Thickness: 6.0-25.4mm 1/4″-1″
Quality Standards: API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
Length: 9-12.3m (30′- 40′)
Grades: API 5L A-X90,GB/T9711 L190-L625

JOCE SLAW STEEL PIPE  is large diameter longitudinal submerged arc welded (SAWL) pipe production line in China. The mill adopts progressive bending process, featuring evenly distributed forming stress, high uniformity of dimension, infinite sizes variation&wide poduct range, and high flexibility, etc.


Specifications

Outside Diameter:Φ406mm- 1626mm (16″ – 64″ )
Wall Thickness:6.0- 75mm (1/4″ – 3″ )
Quality Standards:API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
Length:3-12.5m ( 10′- 41′ )
Grades:API 5L A-X100, GB/T9711 L190-L690


Tolerance of Outside Diameter and Wall Thickness

TypesStandard
SY/T5040-2000SY/T5037-2000SY/T9711.1-1977ASTM A252AWWA C200-97API 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%TD<508mm, ±12.5%T-8%T+19.5%T<-12.5%T-8%T+19.5%T5.0mm<T<15.0mm, ±0.11
D>508mm, ±10.0%TT≥15.0mm, ±1.5mm


Chemical Composition and Mechanical Properties

StandardGradeChemical Composition(max)%Mechanical Properties(min)
CMnSiSPYield Strength(Mpa)Tensile Strength(Mpa)
GB/T700-2006A0.221.40.350.0500.045235370
B0.21.40.350.0450.045235370
C0.171.40.350.0400.040235370
D0.171.40.350.0350.035235370
GB/T1591-2009A0.21.70.50.0350.035345470
B0.21.70.50.0300.030345470
C0.21.70.50.0300.030345470
BS En10025S235JR0.171.4-0.0350.035235360
S275JR0.211.5-0.0350.035275410
S355JR0.241.6-0.0350.035355470
DIN 17100ST37-20.2--0.0500.050225340
ST44-20.21--0.0500.050265410
ST52-30.21.60.550.0400.040345490
JIS G3101SS400---0.0500.050235400
SS490---0.0500.050275490
API 5L PSL1A0.220.9-0.030.03210335
B0.261.2-0.030.03245415
X420.261.3-0.030.03290415
X460.261.4-0.030.03320435
X520.261.4-0.030.03360460
X560.261.1-0.030.03390490
X600.261.4-0.030.03415520
X650.261.45-0.030.03450535
X700.261.65-0.030.03585570



Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings


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