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 always continually provide you with the most conscientious customer service, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for 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: Algeria, Namibia, Orlando, We expect to provide products and services to more users in global aftermarket markets; we launched our global branding strategy by providing our excellent products all over the world by virtue of our well reputed partners letting global users keep pace with technology innovation and achievements with us.
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Dale from San Francisco - 2017.05.02 11:33
    As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
    5 Stars By Muriel from Russia - 2018.06.03 10:17
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