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

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Our eternal pursuits are the attitude of regard the market, regard the custom, regard the science plus the theory of quality the basic, have faith in the main and management the advanced for API 5L Line Pipe , Pipe Line System , Drain Line Pipe , With the development of society and economy, our company will keep a tenet of Focus on trust, quality the first, moreover, we expect to create a glorious future with every customer.
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, %

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

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


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Reliable quality and good credit standing are our principles, which will help us at a top-ranking position. Adhering to the tenet of quality first, customer supreme 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: Iraq, Holland, Swiss, The development of our company not only needs the guarantee of quality, reasonable price and perfect service, but also relies on our customer's trust and support! In the future, we will continue with the most professional and high quality service to provide the most competitive price, Together with our customers and achieve win-win! Welcome to inquiry and consult!
  • It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
    5 Stars By Rosalind from Angola - 2017.09.28 18:29
    The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
    5 Stars By Jill from Tajikistan - 2017.06.19 13:51
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