Spiral Wound Steel Pipes

We are offering our customers a wide range of Spiral Wound Steel Pipes, which are available following Specifications :-
1.Outer diameter: 219mm-2220mm
2.Wall thickness: 6-14mm
3.Length: 1-16m
Quality assurance:
1.Standard: GB, ASTM, JIS, DIN, BS, EN
2.Material:Q235A, Q235B, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, 16Mn, 20#, Q345, L245, L290, 40#, 60#, X42, X46, X70, X80
3.Sample: We are accept your sample requirement.
4.Test: Eddy current / hydrostatic/ Intergranular Corrosion or according to customers' request.
5.Inspection: BV, SGS, others is applicable.
Processing technic:
1.Process method: cold drawn, high frequency welded.
2.Polishing: 180G, 320G, 400G Satin / Hairline
400G, 500G, 600G or 800G Mirror finish
3.Surface Finish: Blank, Black, Bright and Galvanized, and any other special dimensions are available
Packing:
Inner: bundles packing, plastic bag cover every pipe
Outer: woven bag, wooden case
Usage:
Mechanical & manufacture, Steel structure, Shipbuilding, Bridging