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

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Being supported by an innovative and experienced IT team, we could present technical support on pre-sales & after-sales service for Spiral Pipe Welding Length Calculation , Pe Coated Steel Pipe , China S355 JR Spiral Steel Pipe , We welcome new and old customers to contact us by phone or send us inquiries by mail for future business relationships and achieving mutual success.

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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The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.

By Alberta from Barcelona - 2017.06.29 18:55

With a positive attitude of regard the market, regard the custom, regard the science, the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.

By Vanessa from Lebanon - 2018.09.12 17:18

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