OEM/ODM China Double Submerged Arc Welded - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

Sincerity, Innovation, Rigorousness, and Efficiency is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for Mild Steel Pipe Catalogue , Jacket Pipe Welding , Underground Gas Pipe , We put genuine and health as the primary responsibility. We have now a expert international trade crew which graduated from America. We are your next small business partner.
OEM/ODM China Double Submerged Arc Welded - 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


Product detail pictures:

OEM/ODM China Double Submerged Arc Welded - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

OEM/ODM China Double Submerged Arc Welded - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


Related Product Guide:

Every single member from our large efficiency revenue team values customers' wants and company communication for OEM/ODM China Double Submerged Arc Welded - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Russia, Bahamas, Turkmenistan, Each customer's satisfactory is our goal. We are looking for long-term cooperation with each customer. To meet this, we keep up our quality and provide extraordinary customer service. Welcome to our company, we are expecting to cooperate with you.
  • The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Alice from Cancun - 2018.02.12 14:52
    As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Deirdre from Karachi - 2018.06.18 17:25
    Write your message here and send it to us