sprial welded steel pipe

Descripción del producto

Spiral steel pipe

1. O.D. *******0mm(8”**2”)
2. DN***-DN***0
3. W.T. 2.***6mm
4. Length: ***2m Random, *2m fixed.
5. Material:Q**5B, Q**5A B, *6Mn(Q**5), X*2, X*2, X*6, X*0, X*5, X*0, L**5, L**0, L**0.
6. Application: applied for structure and low pressure fluid service.
7. Standard: GB/T***1.*****7
8. Chemical composition:
9. W.T. tolerance: D less than **8, **2.5%t~**5.0%t

                Dmore than or equal to **8, L**5~L**5 **0.0%t~**7.5%t

                        L**0~L**5 *8.0%t~**9.5%t

*1. Tensile strength: ******0Mpa, ****7 kg/mm²

Yield Point: **5Mpa, *4 kg/mm²

Elongation: *6 min

*2. Surface treatment: black paint as rusty protect, spray painting, anticorrosion & insulation, oiling.

*3. Ends: Beveled ends *0°**5°,

        Root face:1.*9±0.*9

        Square cut:≤1.*9

*4.  Methods: Submerged Arc Welding

*5.  Test: Hydrostatic test.

        Non-destructive inspection: **0% X-ray or **0% UT plus X-ray at both ends

*6.  Packing: in bundles, worthy of sea transportation