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

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During the past few years, our business absorbed and digested state-of-the-art technologies the two at home and abroad. Meanwhile, our firm staffs a group of experts devoted to your development of Line Pipe , Steel Pipe Piles Of Cylindrical Shape , Seamless And Welded Pipe , We never stop improving our technique and high quality to help keep up using the enhancement trend of this industry and meet your gratification effectively. In case you are intrigued in our items, please call us freely.

PriceList For Fire 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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That has a positive and progressive attitude to customer's interest, our organization consistently improves our products quality to satisfy the demands of shoppers and further focuses on safety, reliability, environmental specifications, and innovation of PriceList For Fire Pipe Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Lesotho, Romania, Vancouver, Our products are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We have enjoyed a great reputation among our customers for quality products and good services.We would make friends with businessmen from at home and abroad, following the purpose of Quality First, Reputation First, the Best Services.

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We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!

By Meredith from Madrid - 2017.10.23 10:29

This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!

By Hilary from Portugal - 2017.06.25 12:48

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