Oil Pipeline By Hunan Great Steel Pipe Co.ltd

We are a unique name in the industry as a leading Exporter & Manufacturer of Oil Pipeline in Changsha, Hunan, China.
Usage:Tube for conveying gas, water, and oil in both and natural gas industries etc.
Steel Grade:H-40, J55, K-55, N-80, C-75, L-80, C-90, T-95, Q-125

Process: ERW and Seamless

Size:
Outer Diameter:Casing: OD 4 1/2"- 20" (114.3mm-508mm)
Tubing: OD 2 3/8" - 4 1/2" (60.3mm-114.30mm)
Wall Thickness: 0. 205"- 0.635"
Length: R1(4.88mtr-7.62mtr), R2(7.62mtr-10.36mtr), R3(10.36mtr or longer)
Connection: Casing: LTC, STC, BTC, VAM.Tubing: NUE, EUE.
End: Beveled, Square cut. And pipe protection cap specially for casing and tubing.
Surface: Corrosion proofing water based paint
Heat treatment: Normalized, Quencher+Temper

Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield
strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection, Nondestructive Test (Ultrasonic flaw detector, Eddy current flaw detector), Hydrostatic Test.
Mill Test Certificate: EN 10204/3.1B