Bottom Price S355 J0 Spiral Steel Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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We take pleasure in an extremely fantastic standing among the our prospects for our great product top quality, competitive cost and the finest support for Helical Seam , Astm A252 Pipe Sizes , Steel Butt Welding , Through more than 8 years of business, we have accumulated rich experience and advanced technologies in the production of our products.
Bottom Price S355 J0 Spiral Steel Pipe - 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, %

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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Bottom Price S355 J0 Spiral Steel Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

Bottom Price S355 J0 Spiral Steel Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Bottom Price S355 J0 Spiral Steel Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Puerto Rico, Florida, Provence, Our products are very popular in the word, like South American, Africa, Asia and so on. Companies to create first-class products as the goal, and strive to provide customers with high quality products, provide high-quality after-sales service and technical support, and customer mutual benefit, create a better career and future!
  • Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Pearl Permewan from Paraguay - 2018.09.29 13:24
    Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Ray from India - 2017.09.09 10:18
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