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LSAW Steel Pipe
LSAW Steel Pipe

LSAW Steel Pipe

LSAW Pipe is taking the steel plate as raw material, mold it by the molding machine, then do double-sided submerged arc welding. Through this process the LSAW steel pipe will get excellent ductility, weld toughness, uniformity, plasticity and great sealing.
Product introduction

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: 5mtr ~ 12mtr
Standard & Grade: ASTM A53 Grade A/B/C
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
Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped
SAW 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
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
 
 
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
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