Manufacturing Companies For Gas Lines - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

We can easily usually fulfill our respected customers with our very good top quality, very good price tag and excellent support due to we have been more expert and much more hard-working and do it in cost-effective way for China X65 SSAW Line Pipe , Water Drain Line , Gas Pipe Line , We have been one of your largest 100% manufacturers in China. A lot of large trading businesses import products and solutions from us, so we can easily give you the most beneficial price tag with the same quality for anyone who is interested in us.
Manufacturing Companies For Gas Lines - 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:

Manufacturing Companies For Gas Lines - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

Manufacturing Companies For Gas Lines - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


Related Product Guide:

Our primary intention should be to offer our clientele a serious and responsible enterprise relationship, delivering personalized attention to all of them for Manufacturing Companies For Gas Lines - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Nigeria, Nigeria, Argentina, With the development and enlargement of mass clients abroad, now we have set up cooperative relationships with many major brands. We have our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the quality first, customer first, We are provideing high-quality, low-cost products and first-class service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.
  • After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Stephanie from America - 2018.12.28 15:18
    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 Rosemary from Qatar - 2017.11.29 11:09
    Write your message here and send it to us