Specification :

ERW tube
1.Outer Diameter: 219-630mm
2.Wall Thickness: 6-14mm
3.Length: 6-18m
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 , A106 GR.B , J55, 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: Hot-rolled Welded
13.Delivery time: According to the cliemts’ requirement and the quantity
14.Special design available according to requirement