Product Detail:
⇒Chemical Composition
| Alloy | Element | Cu | Ni | Pb | Fe | Zn | Mn |
| C71640 | Min | Bal. | 29.0 | 1.7 | 1.5 | ||
| Max | Bal. | 32.0 | 0.05 | 2.3 | 1.0 | 2.5 |
⇒Mechanical Properties
| Alloy Status | Tensile strength
Rm Min ksi
|
Yield strength
R P 0. 2 Min ksi
|
Elongation
in2 in., Min % |
| annealed | 63 | 25 |
⇒Physical Properties
| Density g/cms | Annealing Temperature ℃
|
Electric Conductivity %IACS(20℃) |
| 8.94 | 1083℃ |
⇒Standard
ASTM B111/B111M-2018 Standard for seamless condenser tubes in Copper and copper alloys
ASTM B 122/B 122M-2006 Standard Specification for Copper-nickel-tin alloys, Copper-nickel-zinc alloys (Nickel-Silver), and Copper-nickel alloy sheets, sheets, strips, and rolled bars
ASTM B151/B151M-2005 Standard Specification for Copper-nickel-Zinc Alloys (Nickel-Silver) and Copper-nickel bars and bars
ASTM B171/B171M-2012 Standard specification for copper alloy sheets and sheets for Pressure vessels, condensers, and heat exchangers
ASTM B466/B466M-2009 Standard Specification for seamless copper-nickel tubes
⇒Characteristics of C71640 Copper-nickel-iron-manganese
- Good corrosion resistance and Marine biological growth resistance
- High strength, good electrical and thermal conductivity.








