Hot Selling For Spiral Welded Pipe – Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Our eternal pursuits are the attitude of regard the market, regard the custom, regard the science and the theory of quality the basic, trust the first and management the advanced for High-Quality A252 GRADE 2 Steel Pipe , Stainless Steel Gas Line , Seamless And Welded Pipe , Encouraged with the fast producing current market on the speedy foodstuff and beverage consumables all around the entire world , We're hunting forward to functioning with partners/clients to create good results together.

Hot Selling For Spiral Welded Pipe – 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

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Our staff through skilled training. Skilled skilled knowledge, potent sense of company, to satisfy the provider requirements of consumers for Hot Selling For Spiral Welded Pipe – Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Angola, Latvia, Florida, Our Company has qualified engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the items, Be sure to feel free to contact us.

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This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.

By Marian from Niger - 2018.06.05 13:10

This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.

By Carol from Jordan - 2017.06.16 18:23

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