C69710 Brass vs. C64800 Bronze
Both C69710 brass and C64800 bronze are copper alloys. Both are furnished in the H04 (full hard) temper. They have 79% of their average alloy composition in common.
For each property being compared, the top bar is C69710 brass and the bottom bar is C64800 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
120 |
Elongation at Break, % | 25 | |
8.0 |
Poisson's Ratio | 0.32 | |
0.34 |
Shear Modulus, GPa | 41 | |
44 |
Shear Strength, MPa | 300 | |
380 |
Tensile Strength: Ultimate (UTS), MPa | 470 | |
640 |
Tensile Strength: Yield (Proof), MPa | 230 | |
630 |
Thermal Properties
Latent Heat of Fusion, J/g | 240 | |
220 |
Maximum Temperature: Mechanical, °C | 160 | |
200 |
Melting Completion (Liquidus), °C | 930 | |
1090 |
Melting Onset (Solidus), °C | 880 | |
1030 |
Specific Heat Capacity, J/kg-K | 400 | |
390 |
Thermal Conductivity, W/m-K | 40 | |
260 |
Thermal Expansion, µm/m-K | 19 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
65 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
66 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 26 | |
33 |
Density, g/cm3 | 8.3 | |
8.9 |
Embodied Carbon, kg CO2/kg material | 2.7 | |
2.7 |
Embodied Energy, MJ/kg | 44 | |
43 |
Embodied Water, L/kg | 310 | |
310 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 99 | |
51 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
1680 |
Stiffness to Weight: Axial, points | 7.3 | |
7.4 |
Stiffness to Weight: Bending, points | 19 | |
18 |
Strength to Weight: Axial, points | 16 | |
20 |
Strength to Weight: Bending, points | 16 | |
19 |
Thermal Diffusivity, mm2/s | 12 | |
75 |
Thermal Shock Resistance, points | 16 | |
23 |
Alloy Composition
Arsenic (As), % | 0.030 to 0.060 | |
0 |
Chromium (Cr), % | 0 | |
0 to 0.090 |
Cobalt (Co), % | 0 | |
1.0 to 3.0 |
Copper (Cu), % | 75 to 80 | |
92.4 to 98.8 |
Iron (Fe), % | 0 to 0.2 | |
0 to 1.0 |
Lead (Pb), % | 0.5 to 1.5 | |
0 to 0.050 |
Manganese (Mn), % | 0 to 0.4 | |
0 |
Nickel (Ni), % | 0 | |
0 to 0.5 |
Phosphorus (P), % | 0 | |
0 to 0.5 |
Silicon (Si), % | 2.5 to 3.5 | |
0.2 to 1.0 |
Tin (Sn), % | 0 | |
0 to 0.5 |
Zinc (Zn), % | 13.8 to 22 | |
0 to 0.5 |
Residuals, % | 0 | |
0 to 0.5 |