C75400 Nickel Silver vs. C68800 Brass
Both C75400 nickel silver and C68800 brass are copper alloys. They have 85% of their average alloy composition in common.
For each property being compared, the top bar is C75400 nickel silver and the bottom bar is C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 120 | |
110 |
Elongation at Break, % | 2.0 to 43 | |
2.0 to 36 |
Poisson's Ratio | 0.32 | |
0.32 |
Rockwell B Hardness | 60 to 90 | |
81 to 99 |
Rockwell Superficial 30T Hardness | 27 to 77 | |
71 to 83 |
Shear Modulus, GPa | 46 | |
41 |
Shear Strength, MPa | 250 to 370 | |
380 to 510 |
Tensile Strength: Ultimate (UTS), MPa | 370 to 630 | |
570 to 890 |
Tensile Strength: Yield (Proof), MPa | 130 to 590 | |
390 to 790 |
Thermal Properties
Latent Heat of Fusion, J/g | 200 | |
190 |
Maximum Temperature: Mechanical, °C | 190 | |
160 |
Melting Completion (Liquidus), °C | 1080 | |
960 |
Melting Onset (Solidus), °C | 1040 | |
950 |
Specific Heat Capacity, J/kg-K | 390 | |
400 |
Thermal Conductivity, W/m-K | 36 | |
40 |
Thermal Expansion, µm/m-K | 18 | |
19 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
18 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 7.4 | |
20 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 32 | |
26 |
Density, g/cm3 | 8.5 | |
8.2 |
Embodied Carbon, kg CO2/kg material | 3.8 | |
2.8 |
Embodied Energy, MJ/kg | 59 | |
48 |
Embodied Water, L/kg | 300 | |
350 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 120 | |
16 to 180 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 75 to 1450 | |
710 to 2860 |
Stiffness to Weight: Axial, points | 7.9 | |
7.3 |
Stiffness to Weight: Bending, points | 19 | |
19 |
Strength to Weight: Axial, points | 12 to 21 | |
19 to 30 |
Strength to Weight: Bending, points | 13 to 19 | |
19 to 25 |
Thermal Diffusivity, mm2/s | 11 | |
12 |
Thermal Shock Resistance, points | 12 to 21 | |
19 to 30 |
Alloy Composition
Aluminum (Al), % | 0 | |
3.0 to 3.8 |
Cobalt (Co), % | 0 | |
0.25 to 0.55 |
Copper (Cu), % | 63.5 to 66.5 | |
70.8 to 75.5 |
Iron (Fe), % | 0 to 0.25 | |
0 to 0.2 |
Lead (Pb), % | 0 to 0.1 | |
0 to 0.050 |
Manganese (Mn), % | 0 to 0.5 | |
0 |
Nickel (Ni), % | 14 to 16 | |
0 |
Zinc (Zn), % | 16.2 to 22.5 | |
21.3 to 24.1 |
Residuals, % | 0 | |
0 to 0.5 |