STK490 thick galvanized steel pipe
Product Description
1.Standard: GB/T8163 ,ASTM A53,ASTM A106,API5L,DIN1629,JIS G3458,ISO 559 , DIN 17172
2.Material: 10#, 20#, Q295, Q345, 45#, ST44/52,ASTM A53,/106GRB
3.Specification:32-920mm, Thickness: 4-35mm
4. Ends: Each end of the pipe shall be furnished plain and unless otherwise specified.
5. Leak Tightness Test:
a) Online NDT (Eddy current)
b) Hydro Test
c) Ultrasonic Testing
6. Black Varnish: Tubes are uniformly varnished externally over their full lengths.
7. Zinc Coating: Average 460GM/M2, bur one side should not be less than 400GM/M2. Free from bare spots, black spots, rough, over coating, peel off or any other surface defects.
8, Threading: Check with standard STK490
9. Marking: we can do online by stenciling as per this standard as per customer needs at one meter internal.
10. Packaging: in bundles with steel strips, seaworthy packing as per customer's requirements
11. Mill Test Certificate: we can issue a MTC, certifying that the tubes supplied comply with STK490 standard.
12. Uses: used for conveying water, oil, gas and other fluid
13. Main markets: our products are exported to South and East Asia, Middle East, Europe and American, and enjoyed a good reputation.
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