C84200 Brass vs. CR018A Copper
Both C84200 brass and CR018A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common.
For each property being compared, the top bar is C84200 brass and the bottom bar is CR018A copper.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
120 |
Elongation at Break, % | 15 | |
15 |
Poisson's Ratio | 0.33 | |
0.34 |
Shear Modulus, GPa | 40 | |
43 |
Tensile Strength: Ultimate (UTS), MPa | 250 | |
220 |
Tensile Strength: Yield (Proof), MPa | 120 | |
130 |
Thermal Properties
Latent Heat of Fusion, J/g | 180 | |
210 |
Maximum Temperature: Mechanical, °C | 150 | |
200 |
Melting Completion (Liquidus), °C | 990 | |
1090 |
Melting Onset (Solidus), °C | 840 | |
1040 |
Specific Heat Capacity, J/kg-K | 370 | |
390 |
Thermal Conductivity, W/m-K | 72 | |
390 |
Thermal Expansion, µm/m-K | 19 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 16 | |
100 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
100 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 30 | |
33 |
Density, g/cm3 | 8.5 | |
9.0 |
Embodied Carbon, kg CO2/kg material | 3.1 | |
2.7 |
Embodied Energy, MJ/kg | 51 | |
42 |
Embodied Water, L/kg | 350 | |
360 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 | |
29 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 72 | |
76 |
Stiffness to Weight: Axial, points | 6.9 | |
7.2 |
Stiffness to Weight: Bending, points | 18 | |
18 |
Strength to Weight: Axial, points | 8.2 | |
6.8 |
Strength to Weight: Bending, points | 10 | |
9.0 |
Thermal Diffusivity, mm2/s | 23 | |
110 |
Thermal Shock Resistance, points | 9.1 | |
7.8 |
Alloy Composition
Aluminum (Al), % | 0 to 0.0050 | |
0 |
Antimony (Sb), % | 0 to 0.25 | |
0 |
Bismuth (Bi), % | 0 | |
0 to 0.00050 |
Copper (Cu), % | 78 to 82 | |
99.914 to 99.94 |
Iron (Fe), % | 0 to 0.4 | |
0 |
Lead (Pb), % | 2.0 to 3.0 | |
0 |
Nickel (Ni), % | 0 to 0.8 | |
0 |
Phosphorus (P), % | 0 to 1.5 | |
0 |
Silicon (Si), % | 0 to 0.0050 | |
0 |
Silver (Ag), % | 0 | |
0.060 to 0.080 |
Sulfur (S), % | 0 to 0.080 | |
0 |
Tin (Sn), % | 4.0 to 6.0 | |
0 |
Zinc (Zn), % | 10 to 16 | |
0 |
Residuals, % | 0 to 0.7 | |
0 |