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Cupronickel 75-25 is a Non-Marine Alloys. Its also known as 75-25 Copper-Nickel and UNS C71300 Copper Coinage Alloy.
| Non-Marine Alloys | |
|---|---|
| 75-25 Copper-Nickel | UNS C71300 |
| Cupronickel Materials | ||
|---|---|---|
| Materials | Alloy number SM | UNS |
| CuNi25 | 067 | C71300 |
| Aluminium Bronzes | ||
|---|---|---|
| Materials | Alloy number SM | UNS |
| CuAI8 | 083 | - |
| CuAI6Ni2 | 085 | C61550 |
| CuAl5Zn5Sn1/Nordic Gold | 086 | - |
| CuNi6Al2 | 088 | - |
| Nickel Brass Materials | ||
|---|---|---|
| Materials | Alloy number SM | UNS |
| CuZn20Ni1 | 025 | - |
| CuZn20Ni2 | 225 | - |
| CuZn15Ni5 | 325 | - |
| CuZn20Ni5 | 525 | - |
| CuZn24.5Ni5.5 | 625 | - |
| CuZn25Ni5 | 825 | - |
| Nickel Silver | ||
|---|---|---|
| Materials | Alloy number SM | UNS |
| CuNi12Zn29 | 073 | C76200 |
| CuNi12Zn24 | 074 | C75700 |
| CuNi10Zn25 | 374 | C74500 |
| CuNi15Zn20 | 075 | C75400 |
| CuNi18Zn20 | 076 | C76400 |
| CuNi18Zn17 | 077 | C75200 |
| CuNi18Zn27 | 078 | C77700 |
| Dimensions | |
|---|---|
| Coil width | up to max. 1.250 mm |
| Coil thickness | max. 2,5 mm / min 1,0 mm |
| Ringgewicht | up to 15 kg/mm |
| Temper | as rolled or soft annealed |
| Element | Content (%) |
|---|---|
| Cu | 71.25-76.5 |
| Fe | ≤ 0.20 |
| Pb | ≤0.050 |
| Mn | ≤ 1.0 |
| Ni | 23.5-26.5 |
| Zn | ≤ 1.0 |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.94 g/cm3 | 0.323 lb/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 ratio (C71500 annealed) | 0.325 | 0.325 |
| Machinability (based on free-cutting brass = 100) | 20 | 20 |
| Shear modulus (C71500 annealed) | 57.2 GPa | 8300 ksi |
| CuNi20(B19)/Copper Nickel Alloy Strip/C71000 | copper tube c71000 |
| C71000 copper clad aluminum sheet | C71000 brass pipe |
| C71000 COPPER NICKEL ALLOY BAR | C71000 copper bus bar rod |
| c71000 copper nickel round bar | C71000 Copper Nickel Sheet / C71000 Copper Nickel Plate |
| c71000 seamless nickel alloy pipe | C71000 Copper Nickel Sheet |
| C71000 Copper Nickel Plate | CuNi19 copper nickel resistance strip C71000 |
| ASME SB466 CuNi UNS C71000 Seamless Copper-Nickel Pipe and Distiller Tubes | C71000 0.2mm copper sheet |
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