OEM/ODM Supplier Pipe Line Welding - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Our goal is to provide high quality products at competitive prices, and top-notch service to customers around the world. We are ISO9001, CE, and GS certified and strictly adhere to their quality specifications for Waste Line Plumbing , SPIRALLY WELDED STEEL PIPES ASTM A252 Factories , Steel Tube Dimensions , We welcome you to definitely stop by our manufacturing facility and sit up for creating pleasant organization relationships with clients in your own home and overseas while in the in the vicinity of long term.
OEM/ODM Supplier Pipe Line Welding - 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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OEM/ODM Supplier Pipe Line Welding - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

OEM/ODM Supplier Pipe Line Welding - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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With this motto in mind, we've got become among essentially the most technologically innovative, cost-efficient, and price-competitive manufacturers for OEM/ODM Supplier Pipe Line Welding - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: luzern, Portugal, Puerto Rico, Our company always concentrate on the development of the international market. We've got a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.
  • The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
    5 Stars By Doreen from Netherlands - 2018.05.22 12:13
    Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
    5 Stars By Maggie from Suriname - 2018.09.16 11:31
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