8 Year Exporter Pipe Line Construction - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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No matter new consumer or outdated shopper, We believe in lengthy expression and trusted relationship for X52 SSAW Line Pipe , Frozen Condensate Pipe , CE Certification S355 JR Spiral Steel Pipe , By more than 8 years of company, now we have accumulated rich experience and advanced technologies from the generation of our merchandise.
8 Year Exporter Pipe Line Construction - 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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8 Year Exporter Pipe Line Construction - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

8 Year Exporter Pipe Line Construction - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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We strive for excellence, service the customers, hopes to become the best cooperation team and dominator enterprise for personnel, suppliers and customers, realizes value share and continuous promotion for 8 Year Exporter Pipe Line Construction - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Poland, Barcelona, Juventus, They're durable modeling and promoting effectively all over the world. Under no circumstances disappearing major functions in a quick time, it's a really should in your case of excellent good quality. Guided by the principle of Prudence, Efficiency, Union and Innovation. the company make a terrific efforts to expand its international trade, raise its company profit and raise its export scale. We're confident that we've been planning to possess a vibrant prospect and to be distributed all over the world within the years to come.
  • We have worked with many companies, but this time is the best,detailed explanation, timely delivery and quality qualified, nice!
    5 Stars By Pearl from Colombia - 2018.06.28 19:27
    In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 Stars By Ingrid from Houston - 2017.02.18 15:54
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