Well-Designed Gas Line Plumbing - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Persisting in High quality, Prompt Delivery, Aggressive Price, now we have established long-term cooperation with consumers from equally overseas and domestically and get new and old clients' large comments for High-Quality Steel Pipe Piles Of Cylindrical Shape , S355 JR Spiral Steel Pipe Suppliers , Astm A252 Steel Pipe , We are not satisfied with the present achievements but we are trying best to innovate to meet buyer's more personalized needs. No matter where you are from, we are here to wait for your kind request, and welcom to visit our factory. Choose us, you can meet your reliable supplier.

Well-Designed Gas Line Plumbing - 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 progress depends around the innovative machines, great talents and consistently strengthened technology forces for Well-Designed Gas Line Plumbing - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Amsterdam, Philippines, Brunei, We warmly welcome you to come to visit us personally. We hope to establish a long-term friendship based on equality and mutual benefit. If you want to get in touch with us, please do not hesitate to call. We will be your best choice.

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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 June from Gabon - 2017.09.09 10:18

Hope that the company could stick to the enterprise spirit of Quality, Efficiency, Innovation and Integrity, it will be better and better in the future.

By Quyen Staten from Pretoria - 2017.09.30 16:36

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