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 |
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CB60/B60 | 0.24 | |||||||
CB65/B65 | 0.28 | |||||||
CB70/C70 | 0.31 | 1.30 | ||||||
-/C55 | -/0.18 | 0.55 ~0.98 |
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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 |