Cheap PriceList For Oil Pipe Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Our pursuit and company goal is to Always satisfy our customer requirements. We continue to develop and design superior quality products for both our old and new customers and achieve a win-win prospect for our clients as well as us for Steel Pipe Suppliers , Welding Steel Pipe Together , Pipe Welding , We maintain timely delivery schedules, innovative designs, quality and transparency for our customers. Our moto is to deliver quality products within stipulated time.

Cheap PriceList For Oil Pipe Line - 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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We believe that long term partnership is a result of high quality, value added service, rich experience and personal contact for Cheap PriceList For Oil Pipe Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Birmingham, India, Benin, Our company is working by the operation principle of integrity-based, cooperation created, people oriented, win-win cooperation. We hope we can have a friendly relationship with businessman from all over the world.

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In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.

By Novia from Denmark - 2017.02.14 13:19

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 Bruno Cabrera from Munich - 2017.11.12 12:31

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