ASTM A790 / A789 Duplex Welded Stainless Steel Tube / Pipe, S31803, S32205, S32750, mainly with Large Outside Diameter
Description:
1. ASTM A790 / A789 Duplex Welded Stainless Steel Tube / Pipe, which offers excellent resistant to corrosion and very high mechanical strength,more compact system design and less welding.
2. Main Steel Grade: S31803, S32205, S32750,S32760
3. Dimension / Speficication:
One Straight Seam: O.D.: 6MM - 914MM, W.T.: 0.5MM - 60MM
Double Straight Seam: O.D.: 630MM - 1524MM, W.T.: 2MM - 80MM
Circular Seam: O.D.: 630MM and above, W.T.: 2MM-100MM
4. Testing:
(1). Visual and Dimensional Checking
(2). Chemical Composition Test
(3). Mechanical Properties Test , such as Tensile Test, Yield Test
(4). 100% RT
(5). Hydro Static Test
5. Surface: Solution Annealled and Pickled
6. Length: 6m, 11.8m or advised by customers
7. Payment: L/C or T/T or negotiable
8. Marking: As per Standard
9. Packing: Reinforced plywood box or Bundle with plastic Caps
10. 3rd party inspection is acceptable