Super Lowest Price Seam Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Super Lowest Price Seam 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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Super Lowest Price Seam Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

Super Lowest Price Seam Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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The company keeps to the operation concept scientific management, high quality and efficiency primacy, customer supreme for Super Lowest Price Seam Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: UK, Armenia, Buenos Aires, If any item be of interest to you, you should let us know. We will try our best to satisfy your requirements with high quality goods, the best prices and prompt delivery. You should feel free to contact us at any time. We will reply you when we receive your inquiries. Make sure you note that samples are available before we start our business.
  • We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Dorothy from Bangkok - 2017.08.28 16:02
    We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Eden from Philippines - 2017.02.14 13:19
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