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

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

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


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We have now a hugely efficient team to deal with inquiries from buyers. Our goal is 100% client gratification by our solution high-quality, rate & our team service and take pleasure in a great popularity among clients. With several factories, we will provide a wide assortment of Hot Selling For Spiral 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: venezuela, France, Kenya, Our next goal is to exceed the expectations of every client by offering outstanding customer service, increased flexibility and greater value. All in all, without our customers we do not exist; without happy and fully satisfied customers, we fail. We are looking for the wholesale, Drop ship. Please contact us if you are interesting our products. Hope to do business with you all. High quality and fast shipment!
  • Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
    5 Stars By Barbara from French - 2018.09.29 13:24
    The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Maureen from Algeria - 2017.09.09 10:18
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