Factory Wholesale Sewer Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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As for aggressive price ranges, we believe that you will be searching far and wide for anything that can beat us. We can easily state with absolute certainty that for such high-quality at such price ranges we're the lowest around for China Underground Natural Gas Pipe , Pipe Welding Procedures , Pipe Fitting And Welding , Leading the trend of this field is our persistent objective. Supplying first class solutions is our intention. To create a beautiful upcoming, we wish to cooperate with all close friends in the home and overseas. Should you have got any interest in our products and solutions, remember to never wait to call us.
Factory Wholesale Sewer 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, %

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 Wholesale Sewer Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

Factory Wholesale Sewer Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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abide by the contract, conforms on the market requirement, joins from the market competition by its good quality likewise as provides more comprehensive and superb support for customers to let them become large winner. The pursue of the company, is definitely the clients' pleasure for Factory Wholesale Sewer Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Manchester, Muscat, Barcelona, We will initiate the second phase of our development strategy. Our company regards reasonable prices, efficient production time and good after-sales service as our tenet. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
  • The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Rita from Moldova - 2018.09.29 13:24
    This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
    5 Stars By Rigoberto Boler from luzern - 2018.10.01 14:14
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