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

Short Description:

Product Detail

Product Tags

Feedback (2)

Our firm aims to operating faithfully, serving to all of our shoppers , and working in new technology and new machine consistently for Water Pipe Welding , Pipe Welding Positioner , Water Drain Line , And we are able to enable on the lookout for any products with the customers' needs. Make sure deliver the best Assistance, the most beneficial High-quality, The quickly Delivery.

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, %
Element	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:

Related Product Guide:

Our firm aims to operating faithfully, serving to all of our shoppers , and working in new technology and new machine regularly 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: Guatemala, Armenia, Brasilia, Now, we professionally supplies customers with our main merchandise And our business is not only the buy and sell, but also focus on more. We target to be your loyal supplier and long-term cooperator in China. Now, We hope to be the friends with you.

A252 GRADE 1 Steel Pipe

Cold Formed Welded Structural

Cylindrical Shapes Steel Pipe

Gas Pipe Fitting

Gas Pipes

Natural Gas Line

Pipe Line Construction

Pipe Lines

Sewer Pipe Line

Welding Exhaust Pipe

Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.

By Gail from Cyprus - 2017.07.28 15:46

We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.

By Federico Michael Di Marco from Juventus - 2018.06.26 19:27

Write your message here and send it to us