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Grades of LSAW Steel Pipe:

For pipeline: API 5L GR.B, X42, X45, X50, X60, X60, X65, X70, X80 

For piles: ASTM A252


Sizes of LSAW Steel Pipe:

OD: 16"-72"


O.D.W.T.Length(m)
InchmmMin.Yield Strength(Mpa)
Inchmm245(B)290(X42)360(X52)415(X60)450(X65)485(X70)555(X80)
164066.0-14.06.0-13.06.0-12.06.0-11.06.0-10.56.0-10.06.0-9.06.0-12.3
184576.0-15.06.0-14.06.0-13.06.0-12.06.0-11.56.0-11.06.0-10.06.0-12.3
205086.0-16.06.0-15.06.0-14.06.0-13.06.0-12.56.0-12.06.0-11.06.0-12.3
225596.0-17.06.0-16.06.0-15.06.0-14.06.0-13.56.0-13.06.0-12.06.0-12.3
246106.0-18.06.0-17.06.0-16.06.0-15.06.0-14.56.0-14.06.0-13.06.0-12.3
266606.0-19.06.0-18.06.0-17.06.0-16.06.0-15.06.0-15.06.0-14.06.0-12.3
287116.0-20.06.0-19.06.0-18.06.0-17.06.0-16.56.0-16.06.0-15.06.0-12.3
307627.0-21.07.0-20.07.0-19.07.0-18.07.0-17.57.0-17.07.0-16.06.0-12.3
328137.0-22.07.0-21.07.0-20.07.0-19.07.0-18.57.0-18.07.0-17.06.0-12.3
348647.0-23.07.0-22.07.0-21.07.0-20.07.0-19.57.0-19.07.0-18.06.0-12.3
369148.0-24.08.0-23.08.0-22.08.0-21.08.0-20.58.0-20.08.0-19.06.0-12.3
389658.0-25.08.0-24.08.0-23.08.0-22.08.0-21.58.0-21.08.0-20.06.0-12.3
4010168.0-26.08.0-25.08.0-24.08.0-23.08.0-22.58.0-22.08.0-21.06.0-12.3
4210678.0-26.08.0-25.08.0-24.08.0-23.08.0-22.58.0-22.08.0-21.06.0-12.3
4411189.0-27.09.0-26.09.0-24.59.0-23.59.0-22.89.0-22.09.0-21.06.0-12.3
4611689.0-27.09.0-26.09.0-24.09.0-23.59.0-22.89.0-22.09.0-21.06.0-12.3
4812199.0-28.09.0-27.09.0-25.49.0-24.09.0-23.59.0-23.09.0-22.06.0-12.3
5213219.0-28.09.0-27.09.0-25.49.0-24.29.0-23.59.0-23.09.0-22.06.0-12.3
56142210.0-29.010.0-28.010.0-26.010.0-24.510.0-23.810.0-23.010.0-22.06.0-12.3
60152410.0-29.010.0-28.010.0-26.010.0-24.510.0-23.810.0-23.010.0-22.06.0-12.3
64162610.0-30.010.0-29.010.0-27.010.0-25.410.0-24.810.0-24.010.0-23.06.0-12.3
68172710.0-30.010.0-29.010.0-27.010.0-25.410.0-24.810.0-24.010.0-23.06.0-12.3
72182910.0-30.010.0-29.010.0-27.010.0-25.410.0-24.810.0-24.010.0-23.06.0-12.3



Tolerance of Outside Diameter and Wall Thickness of LSAW Steel Pipe


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<="" p="" style="padding: 0px; margin: 0px;">
D>508mm, ±10.0%TT≥15.0mm, ±1.5mm


LSAW Steel Pipe

Chemical Composition and Mechanical Properties of LSAW Steel Pipe

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


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