OEM/ODM China Double Submerged Arc Welded - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

Short Description:

Product Detail

Product Tags

Feedback (2)

Control the standard by the details, show the power by quality. Our business has strived to establish a highly efficient and stable team staff and explored an effective good quality regulate course of action for Spiral Pipe , S355 J0 Spiral Steel Pipe Exporters , High-Quality Spiral Welded Pipe Specification , We welcome new and previous buyers from all walks of life to make contact with us for upcoming organization associations and mutual good results!

OEM/ODM China Double Submerged Arc Welded - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral Detail:

Mechanical Property

	Grade A	Grade B	Grade C	Grade D	Grade E
Yield strength, min, Mpa(KSI)	330(48)	415(60)	415(60)	415(60)	445(66)
Tensile strength, min, Mpa(KSI)	205(30)	240(35)	290(42)	315(46)	360(52)

Chemical Composition

Element	Composition, Max, %
Element	Grade A	Grade B	Grade C	Grade D	Grade E
Carbon	0.25	0.26	0.28	0.30	0.30
Manganese	1.00	1.00	1.20	1.30	1.40
Phosphorus	0.035	0.035	0.035	0.035	0.035
Sulfur	0.035	0.035	0.035	0.035	0.035

Hydrostatic Test

Each length of pipe shall be tested by the manufacturer to a hydrostatic pressure that will produce in the pipe wall a stress of not less than 60% of the specified minimum yield strength at room temperature. The pressure shall be determined by the following equation:
P=2St/D

Permissible Variations In Weights and Dimensions

Each length of pipe shall be weighed separately and its weight shall not vary more than 10% over or 5.5% under its theoretical weight, calculated using its length and its weight per unit length.
The outside diameter shall not vary more than ±1% from the specified nominal outside diameter.
Wall thickness at any point shall not more than 12.5% under the specified wall thickness.

Length

Single random lengths: 16 to 25ft(4.88 to 7.62m)
Double random lengths: over 25ft to 35ft(7.62 to 10.67m)
Uniform lengths: permissible variation ±1in

Ends

Pipe piles shall be furnished with plain ends, and the burrs at the ends shall be removed
When the pipe end specified to be bevel ends, the angle shall be 30 to 35 degree

Product detail pictures:

Related Product Guide:

we are able to provide good quality items, aggressive rate and best shopper assistance. Our destination is You come here with difficulty and we provide you with a smile to take away for OEM/ODM China Double Submerged Arc Welded - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Hanover, Pakistan, Senegal, Now we have a dedicated and aggressive sales team, and many branches, catering to our main customers. We have been looking for long-term business partnerships, and ensure our suppliers that they will undoubtedly benefit in both short and long run.

A252 GRADE 2 Steel Pipe

A252 GRADE 3 Steel Pipe

Flex Gas Line

Flexible Gas Pipe

Underground Water Line

Welded Tube

This supplier stick to the principle of Quality first, Honesty as base, it is absolutely to be trust.

By Geraldine from Hongkong - 2017.05.21 12:31

The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.

By Elsa from Hamburg - 2018.09.12 17:18

Write your message here and send it to us