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

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Our firm promises all consumers with the first-class products as well as most satisfying post-sale services. We warmly welcome our regular and new consumers to join us for Solvent Weld Pipe , Steel Pipe Importer , Carbon Steel Pipe Catalogue , Since establishment within the early 1990s, now we have arrange our sale network in USA, Germany, Asia, and several Middle Eastern countries. We intention to get a top class supplier for worldwide OEM and aftermarket!
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 consistently execute our spirit of Innovation bringing progress, Highly-quality ensuring subsistence, Administration advertising and marketing gain, Credit history attracting buyers 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: Bolivia, America, Marseille, 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!
  • We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Lisa from Uganda - 2018.12.05 13:53
    We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Mona from Czech - 2017.02.14 13:19
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