2021 Good Quality Pipeline - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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While using the Client-Oriented company philosophy, a demanding high-quality management method, innovative producing products and also a sturdy R&D workforce, we always deliver premium quality merchandise, superb solutions and aggressive selling prices for DSAW Pipes Factory , Helical Seam Exporters , Buy Steel Pipe , The team of our company with the use of cutting-edge technologies delivers impeccable quality products supremely adored and appreciated by our customers worldwide.

2021 Good Quality Pipeline - 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

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Our advancement depends over the highly developed devices, excellent talents and continually strengthened technology forces for 2021 Good Quality Pipeline - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Macedonia, Jordan, Philippines, Our solutions are widely recognized and trusted by users and can meet continuously changing of economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!

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The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.

By Tony from Ethiopia - 2018.10.01 14:14

The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.

By Ina from Frankfurt - 2017.08.28 16:02

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