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Specifications Range
Out Diameter 1/8 inch to 24 inch
Wall Thickness max 26.5mm
Length 3.0m-18m



Tolerance of Outside Diameter for ERW Steel Pipe

Standard Out Diameter
Tolerance of Pipe End
Tolerance of Pipe Body
API 5L

219.1~273.1

+1.6mm, -0.4mm
±0.75%
274.0~320
+2.4mm, -0.8mm
±0.75%
323.9~457
+2.4mm, -0.8mm
±0.75%
508
+2.4mm, -0.8mm
±0.75%
559~610
+2.4mm, -0.8mm
±0.75%


Tolerance of Wall Thickness for ERW Steel Pipe

Standard
Grade
Out Diameter
Wall Thickness
API 5L A 219.1~457
+15%, -12.5%
B 508~610
+17.5%, -12.5%
X42-X80 508~610
+19.5%, -8%


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