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ASTM A671 Grade CC70 Cl22 EFW Pipe

March 6, 2023

Latest company news about ASTM A671 Grade CC70 Cl22 EFW Pipe

ASTM A671 Grade CC70 Cl22 EFW Pipe

ASTM A671 CC70 belongs to a killed carbon steel specification with pipes made under electric fusion welding by welding the edges of the pressure grade plates together. GNEE is a leading manufacturer and supplier of these ASTM A671 CC70 pipe products in large scale. The material can be welded with conventional methods and EFW, submerged electric arc and oxyacetylene gas welding.

However, to weld with high temperature procedures, the ASTM A671 Grade CC70 pipe has to be preheated and post weld heat treated after welding. The pipes come in diameters ranging from 16 inches to 100 inches with wall thicknesses up to 250mm. The A671 CC70 Cl22 is used in petroleum, petrochemical and oil and gas industries primarily with lengths ranging up to 13 m. The lengths vary as single random, double random and cut to length sizes.


ASTM A671 CC70 Pipe Chemical Composition
Specification Steel grade Chemical composition Remarks
C Si Mn P S Ti
Pipes for pressure service -/A45 -/0.17 - 0.98 0.035 0.035 - A671/
-/A50 -/0.22 -
CA55/A55 0.28 -
-/B55 -/0.20 0.13
CB60/B60 0.24
CB65/B65 0.28
CB70/C70 0.31 1.30
-/C55 -/0.18 0.55
CC60/C60 0.21
CC65/C65 0.24 0.79
CC70/C70 0.27


Q: Are you trading company or manufacturer ?
A: We are professional manufacturer for steel pipe/sheet/coil, and our company also is a very professional a trade company for steel products.we can also provide a wide range of steel products.
Q: Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time .Honesty is our company's tenet.
Q: Do you provide samples ? is it free or extra ?
A: The sample could can provide for customer with free,but the courier freight will be covered by customer account.
Q: Do you accept the third party inspection?
A: Yes absolutely we accept.

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