Cheap PriceList For Oil Pipe Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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It adheres on the tenet Honest, industrious, enterprising, innovative to acquire new solutions continuously. It regards prospects, success as its personal success. Let us build prosperous future hand in hand for X70 SSAW Line Pipe , 3lpe Coated Pipes , Ssaw Pipe Stockist , Our company insists on innovation to promote the sustainable development of enterprise, and make us become the domestic high-quality suppliers.

Cheap PriceList For Oil Pipe Line - 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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The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.

By olivier musset from Greek - 2018.09.29 13:24

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.

By Ricardo from Borussia Dortmund - 2018.08.12 12:27

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