Manufacturer For Welded Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Manufacturer For Welded Pipe - 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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Manufacturer For Welded Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

Manufacturer For Welded Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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We attempt for excellence, company the customers, hopes to be the top cooperation team and dominator company for personnel, suppliers and customers, realizes price share and continual marketing for Manufacturer For Welded Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Frankfurt, Montpellier, Germany, Our company mission is that providing high quality and beautiful products with reasonable price and strive to gain 100% good reputation from our clients. We believe Profession achieves excellence! We welcome you to cooperate with us and grow up together.
  • We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
    5 Stars By Prima from Japan - 2018.06.26 19:27
    The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By olivier musset from Greek - 2018.09.19 18:37
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