C65400 Bronze vs. C34200 Brass
Both C65400 bronze and C34200 brass are copper alloys. They have 64% of their average alloy composition in common.
For each property being compared, the top bar is C65400 bronze and the bottom bar is C34200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
100 |
Elongation at Break, % | 2.6 to 47 | |
3.0 to 17 |
Poisson's Ratio | 0.34 | |
0.31 |
Rockwell B Hardness | 82 to 120 | |
53 to 91 |
Rockwell Superficial 30T Hardness | 71 to 92 | |
52 to 78 |
Shear Modulus, GPa | 43 | |
40 |
Shear Strength, MPa | 350 to 530 | |
230 to 360 |
Tensile Strength: Ultimate (UTS), MPa | 500 to 1060 | |
370 to 650 |
Tensile Strength: Yield (Proof), MPa | 170 to 910 | |
150 to 420 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
170 |
Maximum Temperature: Mechanical, °C | 200 | |
120 |
Melting Completion (Liquidus), °C | 1020 | |
910 |
Melting Onset (Solidus), °C | 960 | |
890 |
Specific Heat Capacity, J/kg-K | 400 | |
380 |
Thermal Conductivity, W/m-K | 36 | |
120 |
Thermal Expansion, µm/m-K | 17 | |
21 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
26 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
29 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 31 | |
24 |
Density, g/cm3 | 8.7 | |
8.2 |
Embodied Carbon, kg CO2/kg material | 2.8 | |
2.6 |
Embodied Energy, MJ/kg | 45 | |
45 |
Embodied Water, L/kg | 310 | |
320 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 480 | |
9.0 to 98 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 3640 | |
110 to 870 |
Stiffness to Weight: Axial, points | 7.3 | |
7.1 |
Stiffness to Weight: Bending, points | 19 | |
19 |
Strength to Weight: Axial, points | 16 to 34 | |
13 to 22 |
Strength to Weight: Bending, points | 16 to 27 | |
14 to 20 |
Thermal Diffusivity, mm2/s | 10 | |
37 |
Thermal Shock Resistance, points | 18 to 39 | |
12 to 22 |
Alloy Composition
Chromium (Cr), % | 0.010 to 0.12 | |
0 |
Copper (Cu), % | 93.8 to 96.1 | |
62 to 65 |
Iron (Fe), % | 0 | |
0 to 0.1 |
Lead (Pb), % | 0 to 0.050 | |
1.5 to 2.5 |
Silicon (Si), % | 2.7 to 3.4 | |
0 |
Tin (Sn), % | 1.2 to 1.9 | |
0 |
Zinc (Zn), % | 0 to 0.5 | |
32 to 36.5 |
Residuals, % | 0 | |
0 to 0.4 |