Well-Designed Gas Line Plumbing - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Based on domestic market and expand abroad business is our enhancement strategy for Seamless Welded Pipe , Butt Weld Pipe , Pipe And Piling Supply , Our tenet is Reasonable prices, economical production time and very best service We hope to cooperate with much more shoppers for mutual enhancement and benefits.
Well-Designed Gas Line Plumbing - 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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Well-Designed Gas Line Plumbing - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

Well-Designed Gas Line Plumbing - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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Persisting in High top quality, Prompt Delivery, Aggressive Price, now we have established long-term cooperation with customers from the two overseas and domestically and get new and aged clients' large comments for Well-Designed Gas Line Plumbing - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Pakistan, Slovak Republic, azerbaijan, With a team of experienced and knowledgeable personnel, our market covers South America, the USA, the Mid East, and North Africa. Many customers have become our friends after good cooperation with us. If you have the requirement for any of our products, please contact us now. We are looking forward to hearing from you soon.
  • This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Daphne from Sao Paulo - 2017.05.02 18:28
    We have worked with many companies, but this time is the best,detailed explanation, timely delivery and quality qualified, nice!
    5 Stars By Natividad from Frankfurt - 2017.09.09 10:18
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