1) Sizes (O. D. X T): 8mm x 1mm to 114mm x 10mm 2) Standards: GB/T8163, ASTM A53, ASTM A106, API5L, DIN17175 3) Grade: A, B 4) Surface: Oiled or black painted to prevent rust 5) Marking: As per customer's requirements 6) Application: Structure steel pipe, piling pipe, Sewage and clear water transportation. Line pipe for petroleum
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