Factory Wholesale Large Diameter Welded Pipes - Spirally welded steel pipes ASTM A252 grade 1 2 3 – Spiral

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Good quality comes to start with; service is foremost; organization is cooperation is our enterprise philosophy which is regularly observed and pursued by our firm for Ss 304 Erw Pipe , CE Certification S355 JR Spiral Steel Pipe , X60 SSAW Line Pipe Factories , With the eternal goal of continuous quality improvement, customer satisfaction, we are sure that our product quality is stable and reliable and our products are best-selling at home and abroad.

Factory Wholesale Large Diameter Welded Pipes - 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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Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.

By Lilith from Morocco - 2017.05.21 12:31

The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!

By Eleanore from Denmark - 2018.06.28 19:27

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