Bottom Price S355 J0 Spiral Steel Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for China X65 SSAW Line Pipe , Helical Seam , Fbe Lining , Leading the trend of this field is our persistent goal. Providing first class products is our aim. To create a beautiful future, we would like to cooperate with all friends at home and abroad. Should you have any interest in our products, please do not hesitate to contact us.

Bottom Price S355 J0 Spiral Steel 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 mission is to become an innovative supplier of high-tech digital and communication devices by providing value added design, world-class manufacturing, and service capabilities for Bottom Price S355 J0 Spiral Steel Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Romania, Greenland, Sacramento, Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we will continue to develop, to provide the high-quality products and services, and promote lasting cooperation with our customers, common development and create a better future.

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Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.

By Mabel from South Korea - 2017.09.16 13:44

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 Elma from Dubai - 2017.05.02 18:28

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