C18700 Copper vs. C66200 Brass
Both C18700 copper and C66200 brass are copper alloys. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is C18700 copper and the bottom bar is C66200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
110 |
Elongation at Break, % | 9.0 to 9.6 | |
8.0 to 15 |
Poisson's Ratio | 0.34 | |
0.33 |
Shear Modulus, GPa | 43 | |
42 |
Shear Strength, MPa | 170 to 190 | |
270 to 300 |
Tensile Strength: Ultimate (UTS), MPa | 290 to 330 | |
450 to 520 |
Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
410 to 480 |
Thermal Properties
Latent Heat of Fusion, J/g | 210 | |
200 |
Maximum Temperature: Mechanical, °C | 200 | |
180 |
Melting Completion (Liquidus), °C | 1080 | |
1070 |
Melting Onset (Solidus), °C | 950 | |
1030 |
Specific Heat Capacity, J/kg-K | 380 | |
390 |
Thermal Conductivity, W/m-K | 380 | |
150 |
Thermal Expansion, µm/m-K | 17 | |
18 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 98 | |
35 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
36 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 30 | |
29 |
Density, g/cm3 | 9.0 | |
8.7 |
Embodied Carbon, kg CO2/kg material | 2.6 | |
2.7 |
Embodied Energy, MJ/kg | 41 | |
43 |
Embodied Water, L/kg | 310 | |
320 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 29 | |
40 to 66 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 280 | |
760 to 1030 |
Stiffness to Weight: Axial, points | 7.1 | |
7.2 |
Stiffness to Weight: Bending, points | 18 | |
19 |
Strength to Weight: Axial, points | 9.0 to 10 | |
14 to 17 |
Strength to Weight: Bending, points | 11 to 12 | |
15 to 16 |
Thermal Diffusivity, mm2/s | 110 | |
45 |
Thermal Shock Resistance, points | 10 to 12 | |
16 to 18 |
Alloy Composition
Copper (Cu), % | 98 to 99.2 | |
86.6 to 91 |
Iron (Fe), % | 0 | |
0 to 0.050 |
Lead (Pb), % | 0.8 to 1.5 | |
0 to 0.050 |
Nickel (Ni), % | 0 | |
0.3 to 1.0 |
Phosphorus (P), % | 0 | |
0.050 to 0.2 |
Tin (Sn), % | 0 | |
0.2 to 0.7 |
Zinc (Zn), % | 0 | |
6.5 to 12.9 |
Residuals, % | 0 | |
0 to 0.5 |