Specification :

Spiral steel pipe
1.OD: 159-2850mm
2.WT: 5-25mm
3.Length: 5.8-12m
4.Application: For petroleum and gas and water transportation, papermaking, chemical medical equipment aviation, boiler exchanger, ship-building, custruction, ect
5.Standard: ASTM , API, JIS, DIN, BS, GB
6.Material: A53 A.B ST52, X42-X70
7.Surface: Varnish coating, Black paint, Poly Ethylene, or According to customers’ demand
8.Ends: Beveled edges, Plain ends, Caps
9.Package: bundles with steel strips, bulk cargo , container
10.Tolerance of outer diameter and wall thickness: As the Executive Standard
11.Inspection: Magnetic flux leakage/ Eddy current testing/ Ultrasonic tes
12.Technique Methord: Cold-draw/ Cold Rolling/ Hot Rolling/ Expanding
13.Delivery time: According to the cliemts’ requirement and the quantity
14.Special design available according to requirement
15.Quality: First grade