2021 High Quality X70 SSAW Line Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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Our workforce through professional training. Skilled professional knowledge, solid sense of service, to fulfill the services demands of consumers for Cold Formed Welded Structural , Arc Welding Pipe , Gas Line For Stove , Since the manufacturing facility founded, we have now committed on the progress of new products. While using the social and economic pace, we are going to continue to carry forward the spirit of high high-quality, efficiency, innovation, integrity, and persist with the operating principle of credit to start with, customer initially, top quality excellent. We'll make a amazing long run in hair output with our companions.
2021 High Quality X70 SSAW Line 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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2021 High Quality X70 SSAW Line Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures

2021 High Quality X70 SSAW Line Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral detail pictures


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To consistently enhance the management method by virtue of the rule of sincerely, fantastic religion and top quality are the base of business development, we extensively absorb the essence of associated goods internationally, and constantly acquire new merchandise to satisfy the needs of shoppers for 2021 High Quality X70 SSAW Line Pipe - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Cyprus, Swansea, Greece, Our company has built stable business relationships with many well-known domestic companies as well as oversea customers. With the goal of providing high quality products to customers at low cots, we've been committed to improving its capacities in research, development, manufacturing and management. We have honored to receive recognition from our customers. Till now we have now passed ISO9001 in 2005 and ISO/TS16949 in 2008. Enterprises of quality of survival, the credibility of development for the purpose, sincerely welcome domestic and foreign businessmen to visit to discuss cooperation.
  • We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By John biddlestone from Malta - 2018.06.28 19:27
    Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Joanna from Greece - 2017.12.31 14:53
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