Nickel Brass, Cupro Nickel, Nickel Silver and Aluminium Bronze, manufactured by us, are highly demanded in coinage applications. Cupro Nickel is widely being used in chemical industry and several others, while Nickel Silver meets the exact requirements of the market.
| Alloy Names (as per RoHS specifications) | |
|---|---|
| UNS | C71300 |
| Chemical Composition | Weight percentage |
|---|---|
| Nickel [Ni] | 23.5-26.5 % |
| Mangnese [Mn] | 0.1-0.5% |
| Zinc [Zn] | Zinc=1% Max |
| Lead [Pb] | 0.05 % Maximum |
| Copper [Cu] | 71.5-76.5 % |
| Iron [Fe] | 0.2% max |
| Characterists |
|---|
|
| Main Applications |
|---|
| Coinage : coins, medals, medallions Electrical : Resistance wires Marine application |
Cupro Nickel
Properties
- Physical Properties of UNS C71300 Copper Nickel Alloy
- UNS C71300 Copper nickel alloy mechanical properties
| Properties | Metric | Imperial |
| Density | 8.94 g/cm | 30.323 ib/in³ |
| Properties | Metric | Imperial |
| Hardness, Rockwell B (Hard drawn-H80 for tubing/Rolled- H04 for flat products | 69 | 69 |
| Tensile Strength (Annealed) | 359 Mpa | 52000 psi |
| Tensile strength (Hard drawn-H80 for tubing/rolled-H04 for flat products | 538 Mpa | 78000 psi |
| Yield strength (Annealed) | 103 Mpa | 15000 psi |
| Elongation at break (Hard drawn-H80 for tubing/rolled-H04 for flat products | 11.00% | 11.00% |
| Elongation at break (Annealed) | 40% | 40% |
| Elastic Modulus (C71500 Annealed) | 152 Gpa | 22000 ksi |
| Poisson's ration (C71500 Annealed) | 0.325 | 0.325 |
| Machinability (Based on free-cutting brass = 100 | 20 | 20 |
| Shear Modulus (C71500 Annealed) | 57.2 | 8300 ksi |
