Manufacturer Of Underground Gas Line - Spirally welded steel pipes ASTM A252 grade 1 2 3 – Spiral

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We have probably the most state-of-the-art output equipment, experienced and qualified engineers and workers, recognized good quality manage systems plus a friendly skilled income workforce pre/after-sales support for Tube & Pipe Welding , Fbe Lining , Fbe Fusion Bonded Epoxy , With superb service and quality, and an enterprise of foreign trade featuring validity and competitiveness, that will be trusted and welcomed by its clients and creates happiness to its employees.

Manufacturer Of Underground Gas Line - Spirally welded steel pipes ASTM A252 grade 1 2 3 – Spiral Detail:

Mechanical Property

	Grade 1	Grade 2	Grade 3
Yield Point or yield strength, min, Mpa(PSI)	205(30 000)	240(35 000)	310(45 000)
Tensile strength, min, Mpa(PSI)	345(50 000)	415(60 000)	455(66 0000)

Product analysis

The steel shall contain no more than 0.050% phosphorous.

Permissible Variations In Weights and Dimensions

Each length of pipe pile shall be weighed separately and its weight shall not vary more than 15% over or 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 marking

Each length of pipe pile shall be legibly marked by stenciling, stamping, or rolling to show: the name or brand of the manufacturer, the heat number, the process of manufacturer, the type of helical seam, the outside diameter, nominal wall thickness, length, and weight per unit length, the specification designation and the grade.

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In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of Manufacturer Of Underground Gas Line - Spirally welded steel pipes ASTM A252 grade 1 2 3 – Spiral , The product will supply to all over the world, such as: Bangalore, Albania, Florence, We always hold on the company's principle honest, professional, effective and innovation, and missions of: let all drivers enjoy their driving at night, let our employees can realize their value of life, and to be stronger and service more people. We are determined to become the integrator of our product market and one-stop service provider of our product market.

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We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.