C18900 Copper vs. C48200 Brass
Both C18900 copper and C48200 brass are copper alloys. They have 62% of their average alloy composition in common.
For each property being compared, the top bar is C18900 copper and the bottom bar is C48200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 120 | |
100 |
Elongation at Break, % | 14 to 48 | |
15 to 40 |
Poisson's Ratio | 0.34 | |
0.31 |
Shear Modulus, GPa | 43 | |
40 |
Shear Strength, MPa | 190 to 300 | |
260 to 300 |
Tensile Strength: Ultimate (UTS), MPa | 260 to 500 | |
400 to 500 |
Tensile Strength: Yield (Proof), MPa | 67 to 390 | |
160 to 320 |
Thermal Properties
Latent Heat of Fusion, J/g | 210 | |
170 |
Maximum Temperature: Mechanical, °C | 200 | |
120 |
Melting Completion (Liquidus), °C | 1080 | |
900 |
Melting Onset (Solidus), °C | 1020 | |
890 |
Specific Heat Capacity, J/kg-K | 390 | |
380 |
Thermal Conductivity, W/m-K | 130 | |
120 |
Thermal Expansion, µm/m-K | 17 | |
21 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 30 | |
26 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 30 | |
29 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 31 | |
23 |
Density, g/cm3 | 8.9 | |
8.0 |
Embodied Carbon, kg CO2/kg material | 2.7 | |
2.7 |
Embodied Energy, MJ/kg | 42 | |
47 |
Embodied Water, L/kg | 310 | |
330 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 to 95 | |
61 to 140 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 20 to 660 | |
120 to 500 |
Stiffness to Weight: Axial, points | 7.2 | |
7.2 |
Stiffness to Weight: Bending, points | 18 | |
19 |
Strength to Weight: Axial, points | 8.2 to 16 | |
14 to 17 |
Strength to Weight: Bending, points | 10 to 16 | |
15 to 17 |
Thermal Diffusivity, mm2/s | 38 | |
38 |
Thermal Shock Resistance, points | 9.3 to 18 | |
13 to 16 |
Alloy Composition
Aluminum (Al), % | 0 to 0.010 | |
0 |
Copper (Cu), % | 97.7 to 99.15 | |
59 to 62 |
Iron (Fe), % | 0 | |
0 to 0.1 |
Lead (Pb), % | 0 to 0.020 | |
0.4 to 1.0 |
Manganese (Mn), % | 0.1 to 0.3 | |
0 |
Phosphorus (P), % | 0 to 0.050 | |
0 |
Silicon (Si), % | 0.15 to 0.4 | |
0 |
Tin (Sn), % | 0.6 to 0.9 | |
0.5 to 1.0 |
Zinc (Zn), % | 0 to 0.1 | |
35.5 to 40.1 |
Residuals, % | 0 | |
0 to 0.4 |