Zhangjiakou High-Tech Steel Pipe Co., Ltd. is a corporation who specializes in manufacturing high strength ERW steel tubes for automobile, drilling and liquid service, as well as oil casing tubes for petroleum and natural gas
Seamless Tubing
Outside Diameter: 2-3/8" — 4-1/2"
Wall Thickness: 4.24mm–6.88mm
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: 60.3*4.24/4.83
Grade J55/K55/N80 Size: 73.02*5.51
Grade J55/K55/N80 Size: 88.9*5.49/6.45
Grade J55/K55/N80 Size: 101.6*5.74
Grade J55/K55/N80 Size: 114.3*6.88
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
Productivity:no limit
Material: Iron
Standard: API 5CT
Zhangjiakou High-Tech Steel Pipe Co., Ltd.
Industrial Equipment and Components / Fastener and Fitting / Combination and Joint Fittings
Zhangjiakou High-Tech Steel Pipe Co., Ltd.
Industrial Equipment and Components / Fastener and Fitting / Combination and Joint Fittings