ASTM A 671 Grade CC 70 EFW

ASTM A 671 Grade CC 70 EFW

Ratnam Steel is a manufacturer, supplier, exporter of a huge variety of products. We are an esteemed company that is pretty much engaged in giving a widespread variety of ASTM A 671 Grade CC 70 EFW. Being ISO certified company and producing huge range of products, we have a huge number of domestic as well as international clients. We have supplied ASTM A 671 Grade CC 70 EFW to clients in India as well as across the globe in countries such as US, UK, Italy, Germany, Australia etc. We offer ASTM A 671 Grade CC 70 EFW at economical price to our consumers. These products have a widespread application in number of industries like sugar, nuclear, marine, defence, fabrication etc.

Specifications

Standard : ASME,ASTM,JIS,DIN,BS,EN

Size :16”NB-72”NB

Thickness : 6mm to 100mmTHK

Type : A671 GR CC70 EFW pipe

Form : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes

Chemical Composition

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

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