name

large diameter seamless steel pipe

Sizes

457.2-711.2mm

Standards

GB/T8163, ASTM A53, ASTM A106, API5L, DIN17175

Grade

A, B

Materials

10# 20# 45# ASTM A 53 A106

Surface

Oiled or  painted black  to prevent rust

Marking

As per customer's requirements

Application                    

Structure steel pipe, piling pipe, Sewage and clear water , transportation. Line pipe for petroleum

Inspection and test

Chemical Composition inspection ,Mechanical Properties Test (Tensile Strength, Yield Strength ,Elongation ,Flaring ,Flattening ,Bending ,Hardness ,Impact Test) surface and Dimension Test ,NO-destructive Test ,Hydrostatic Test

Inner packing:

Caps on two ends of every pipe.

Outer packing

In hexagonal shape bundles wrapped with strong steel strip

2MT/bundle.