C87900 Brass vs. C70250 Copper
Both C87900 brass and C70250 copper are copper alloys. They have 68% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C87900 brass and the bottom bar is C70250 copper.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
120 |
Poisson's Ratio | 0.31 | |
0.34 |
Shear Modulus, GPa | 41 | |
44 |
Tensile Strength: Ultimate (UTS), MPa | 480 | |
520 to 740 |
Thermal Properties
Latent Heat of Fusion, J/g | 190 | |
220 |
Maximum Temperature: Mechanical, °C | 130 | |
210 |
Melting Completion (Liquidus), °C | 930 | |
1100 |
Melting Onset (Solidus), °C | 900 | |
1080 |
Specific Heat Capacity, J/kg-K | 390 | |
390 |
Thermal Conductivity, W/m-K | 120 | |
170 |
Thermal Expansion, µm/m-K | 20 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 15 | |
36 to 50 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
37 to 51 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 24 | |
31 |
Density, g/cm3 | 8.1 | |
8.9 |
Embodied Carbon, kg CO2/kg material | 2.7 | |
2.9 |
Embodied Energy, MJ/kg | 46 | |
45 |
Embodied Water, L/kg | 320 | |
310 |
Common Calculations
Stiffness to Weight: Axial, points | 7.3 | |
7.4 |
Stiffness to Weight: Bending, points | 20 | |
18 |
Strength to Weight: Axial, points | 17 | |
16 to 23 |
Strength to Weight: Bending, points | 17 | |
16 to 21 |
Thermal Diffusivity, mm2/s | 37 | |
49 |
Thermal Shock Resistance, points | 16 | |
18 to 26 |
Alloy Composition
Aluminum (Al), % | 0 to 0.15 | |
0 |
Antimony (Sb), % | 0 to 0.050 | |
0 |
Arsenic (As), % | 0 to 0.050 | |
0 |
Copper (Cu), % | 63 to 69.2 | |
92.7 to 97.5 |
Iron (Fe), % | 0 to 0.4 | |
0 |
Lead (Pb), % | 0 to 0.25 | |
0 to 0.050 |
Magnesium (Mg), % | 0 | |
0.050 to 0.3 |
Manganese (Mn), % | 0 to 0.15 | |
0 to 0.1 |
Nickel (Ni), % | 0 to 0.5 | |
2.2 to 4.2 |
Phosphorus (P), % | 0 to 0.010 | |
0 |
Silicon (Si), % | 0.8 to 1.2 | |
0.25 to 1.2 |
Sulfur (S), % | 0 to 0.050 | |
0 |
Tin (Sn), % | 0 to 0.25 | |
0 |
Zinc (Zn), % | 30 to 36 | |
0 to 1.0 |
Residuals, % | 0 | |
0 to 0.5 |