Outside Diameter: 4-1/2"-- 5-1/2"

Wall Thickness: 5.21mm--7.72mm

Steel grade: J55 / K55 / N80-1/N80-Q

Standards: API 5CT

Applications: For oil field industries

Outer packing: Bundles

Product origin: China

Grade and Size (mm)

Grade J55/K55/N80 Size: 114.3*5.21/5.69/6.35/7.37

Grade J55/K55/N80 Size: 127.0*5.59/6.43/7.52

Grade J55/K55/N80/Size: 139.7*6.20/6.98/7.72

Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield
strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.

Type of finish End: Plain ,short round thread,long round thread,buuttress thread,extreme line .