Detailed Product Description namesmle pipeSizes33-273mmStandardsASTM A53, ASTM A106, ASTM A53-98ASTM A192ASME S192API5L, DIN17175 GB/T8163GradeA, B Materials10# 20# 45# ASTM A 53 A106SurfaceOiled or painted black to prevent rust MarkingAs per customer's requirements Application Structure steel pipe, piling pipe, Sewage and clear water transportation. Line pipe for petroleumInspection and ...