OEM Supply Repairing Sewer Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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OEM Supply Repairing Sewer Line - 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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OEM Supply Repairing Sewer Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

OEM Supply Repairing Sewer Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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To be the stage of realizing dreams of our employees! To build a happier, more united and more professional team! To reach a mutual benefit of our customers, suppliers, the society and ourselves for OEM Supply Repairing Sewer Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Johor, Armenia, venezuela, We've established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we've been looking forward to even greater cooperation with overseas customers based on mutual benefits. You should feel free to contact us for more details.
  • The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Belle from Madrid - 2017.09.22 11:32
    The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Clara from Gambia - 2018.05.22 12:13
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