ASTM A 671 Grade CC 70 Carbon Steel EFW Pipe & Tubes

ASTM A 671 CC 70 Carbon Steel EFW Pipes & Tubes Manufacturer, Exporter & Suppliers.

Carbon Steel EFW Pipes & Tubes, CS EFW Pipes & Tubes, A671 CC 70 Suppliers in India.

ASTM A 671 Grade CC 70 Carbon Steel EFW Pipe & Tubes

We are the leading Manufacturers, Suppliers & Exporters of High Quality ASTM A 671 Grade CC 70 Carbon Steel EFW Pipes & Tubes. These pipes & tubes are manufactured using sophisticated technology and quality raw material. The steel pipe shall be fabricated from a pressure vessel quality plate of various analysis and strength levels. Several grades and classes of pipe shall be provided. All Pipe is manufactured and inspected/tested to the relevant standards including ASTM, ASME, API. These pipes & tubes is commonly used in oil & Gas, power Plants, boilers, ships etc.

Specification
Type : A671 GR CC70 EFW pipe
Standard : ASME,ASTM,JIS,DIN,BS,EN
Size : 16”NB-72”NB
Wall Thickness : 6mm to 100mmTHK
Additional Testing : NACE MR0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, etc.

Chemical Requirements :

 

Specification Steel grade Chemical composition Remarks
C Si Mn P S Ti
                 
Pipes for pressure service 
ASTM A671, A672
-/A45 -/0.17 - 0.98 0.035 0.035 - A671/
A672
-/A50 -/0.22 -
CA55/A55 0.28 -
-/B55 -/0.20 0.13
~0.45
CB60/B60 0.24
CB65/B65 0.28
CB70/C70 0.31 1.30
-/C55 -/0.18 0.55
~0.98
CC60/C60 0.21
CC65/C65 0.24 0.79
~1.30
CC70/C70 0.27

Mechanical Properties :

 

Products Steel Grade BASE METAL MECHANICAL COMPOSITION Welding point tensile strength (N/mm2) Remarks
Yield point (N/mm2) Tensile Stregth (N/mm2) Test Pieces Elongation (%)
Pipes for pressure service ASTM A671, A672 -/A45 -/165 -/310~450 - -/30 -/310~450 A671/ A672
-/A50 -/185 -/345~485 -/28 -/345~485
CA55/A55 205 380~515 27 380~515
-/B55 -/205 -/380~515 -/27 -/380~515
CB60/B60 220 415~550 25 415~550
CB65/B65 240 450~585 23 450~585
CB70/B70 260 485~620 21 485~620
-/C55 -/205 -/380~515 -/27 -/380~515
CC60/C60 220 415~550 25 415~550
CC65/C65 240 450~585 23 450~585
CC70/C70 260 485~620 21 485~620

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