CC380H Copper-nickel vs. CC755S Brass
Both CC380H copper-nickel and CC755S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common.
For each property being compared, the top bar is CC380H copper-nickel and the bottom bar is CC755S brass.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 80 | |
110 |
Elastic (Young's, Tensile) Modulus, GPa | 120 | |
100 |
Elongation at Break, % | 26 | |
9.5 |
Poisson's Ratio | 0.34 | |
0.31 |
Shear Modulus, GPa | 47 | |
40 |
Tensile Strength: Ultimate (UTS), MPa | 310 | |
390 |
Tensile Strength: Yield (Proof), MPa | 120 | |
250 |
Thermal Properties
Latent Heat of Fusion, J/g | 220 | |
170 |
Maximum Temperature: Mechanical, °C | 220 | |
120 |
Melting Completion (Liquidus), °C | 1130 | |
820 |
Melting Onset (Solidus), °C | 1080 | |
780 |
Specific Heat Capacity, J/kg-K | 390 | |
390 |
Thermal Conductivity, W/m-K | 46 | |
120 |
Thermal Expansion, µm/m-K | 17 | |
21 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 11 | |
27 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
30 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 36 | |
23 |
Density, g/cm3 | 8.9 | |
8.1 |
Embodied Carbon, kg CO2/kg material | 3.8 | |
2.7 |
Embodied Energy, MJ/kg | 58 | |
46 |
Embodied Water, L/kg | 300 | |
330 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 | |
33 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 59 | |
290 |
Stiffness to Weight: Axial, points | 7.8 | |
7.1 |
Stiffness to Weight: Bending, points | 19 | |
19 |
Strength to Weight: Axial, points | 9.8 | |
14 |
Strength to Weight: Bending, points | 12 | |
15 |
Thermal Diffusivity, mm2/s | 13 | |
38 |
Thermal Shock Resistance, points | 11 | |
13 |
Alloy Composition
Aluminum (Al), % | 0 to 0.010 | |
0.4 to 0.7 |
Copper (Cu), % | 84.5 to 89 | |
59.5 to 61 |
Iron (Fe), % | 1.0 to 1.8 | |
0.050 to 0.2 |
Lead (Pb), % | 0 to 0.030 | |
1.2 to 1.7 |
Manganese (Mn), % | 1.0 to 1.5 | |
0 to 0.050 |
Nickel (Ni), % | 9.0 to 11 | |
0 to 0.2 |
Niobium (Nb), % | 0 to 1.0 | |
0 |
Silicon (Si), % | 0 to 0.1 | |
0 to 0.050 |
Tin (Sn), % | 0 | |
0 to 0.3 |
Zinc (Zn), % | 0 to 0.5 | |
35.8 to 38.9 |