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ASTM A53 Welded Steel Pipe LSAW STEEL PIPE
S235JR Welded Steel Pipe LSAW STEEL PIPE
ST37-2 Welded Steel Pipe LSAW STEEL PIPE
SS400 Welded Steel Pipe LSAW STEEL PIPE
ASTM A53 Welded Steel Pipe LSAW STEEL PIPE
S235JR Welded Steel Pipe LSAW STEEL PIPE
ST37-2 Welded Steel Pipe LSAW STEEL PIPE
SS400 Welded Steel Pipe LSAW STEEL PIPE

Welded STEEL PIPE LSAW STEEL PIPE

LSAW pipe is referred to longitudinal submerged arc welded pipe which is made of hot rolled steel plate or coils. LSAW tube always goes to the big-sized diameter welded pipe, which can’t be processed by electric resistance welding technology.
Outside Diameter:Φ406mm- 1626mm (16" - 64" )
Wall Thickness:6.0- 75mm (1/4" - 3" )
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Short Description:

Keywords(pipe type):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
Description
LSAW Steel Pipe( Longitudinal Seam Submerged Arc Welding Pipe )

UOE LSAW STEEL PIPES

The UOE 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 LSAW PIPES(PRESS BENDING)

This is large diameter longitudinal submerged arc welded (LSAW) pipe production line in China. The mill adopts progressive bending process, featuring evenly distributed forming stress, high uniformity of dimension, infinite sizes variation&wide prouct 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
Specification
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 Date
Chemical Composition and Mechanical Properties
Standard Grade Chemical Composition(max)% Mechanical Properties(min)
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
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
Standard
Standard
Tolerance of Outside Diameter and Wall Thickness
Types Standard
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
D>508mm, ±10.0%T T≥15.0mm, ±1.5mm

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










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