OEM/ODM Manufacturer Drain Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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OEM/ODM Manufacturer Drain 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/ODM Manufacturer Drain Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

OEM/ODM Manufacturer Drain Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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Sincerity, Innovation, Rigorousness, and Efficiency will be the persistent conception of our company to the long-term to establish together with customers for mutual reciprocity and mutual gain for OEM/ODM Manufacturer Drain Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Sao Paulo, Rio de Janeiro, Anguilla, We follow up the career and aspiration of our elder generation, and we're eager to open up a new prospect in this field, We insist on Integrity, Profession, Win-win Cooperation, because we have now a strong backup, that are excellent partners with advanced manufacturing lines, abundant technical strength, standard inspection system and good production capacity.
  • This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
    5 Stars By Myrna from Oman - 2017.09.29 11:19
    The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
    5 Stars By Ophelia from Kuwait - 2018.09.19 18:37
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