Factory Outlets Residential Gas Piping - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Our firm aims to operating faithfully, serving to all of our consumers , and working in new technology and new machine continually for Cold Formed Welded Structural , Pipe Welding Procedures , Sewer Cleanout Pipe , We sincerely welcome overseas customers to consult for the long-term cooperation and the mutual development.We strongly believe that we can do better and better.

Factory Outlets Residential Gas Piping - 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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Adhering into the basic principle of quality, assistance, effectiveness and growth, we have attained trusts and praises from domestic and worldwide client for Factory Outlets Residential Gas Piping - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Kenya, Mexico, Azerbaijan, Products have been exported to Asia, Mid-east,European and Germany market. Our company has constantly been able to update the products performance and safety to meet the markets and strive to be top A on stable quality and sincere service. If you have the honor to do business with our company. we will definitely do our very best to support your business in China.

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The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.

By Maria from Grenada - 2018.09.21 11:01

We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!

By Miguel from Saudi Arabia - 2018.06.18 19:26

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