OEM/ODM Supplier Pipe Line Welding - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Our workforce through professional training. Skilled professional knowledge, solid sense of service, to fulfill the services demands of consumers for ASTM A252 Pipe , S235 J0 Spiral Steel Pipe Exporter , S355 JR Spiral Steel Pipe Exporters , Together with our efforts, our products have won the trust of customers and been very salable both here and abroad.
OEM/ODM Supplier Pipe Line Welding - 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 Supplier Pipe Line Welding - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

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


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We take customer-friendly, quality-oriented, integrative, innovative as objectives. Truth and honesty is our administration ideal for OEM/ODM Supplier Pipe Line Welding - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Kenya, Hungary, Rwanda, If you give us a list of products you are interested in, along with makes and models, we can send you quotations. Please email us directly. Our goal is to establish long-term and mutually profitable business relationships with domestic and overseas clients. We look forward to receiving your reply soon.
  • Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Irma from Estonia - 2017.08.18 11:04
    This company can be well to meet our needs on product quantity and delivery time, so we always choose them when we have procurement requirements.
    5 Stars By Roberta from Nigeria - 2017.08.18 11:04
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