C61500 Bronze vs. C37100 Brass
Both C61500 bronze and C37100 brass are copper alloys. They have 60% of their average alloy composition in common.
For each property being compared, the top bar is C61500 bronze and the bottom bar is C37100 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 3.0 to 55 | |
| 8.0 to 40 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Rockwell Superficial 30T Hardness | 42 to 85 | |
| 43 to 71 |
| Shear Modulus, GPa | 42 | |
| 40 |
| Shear Strength, MPa | 350 to 550 | |
| 260 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 480 to 970 | |
| 370 to 520 |
| Tensile Strength: Yield (Proof), MPa | 150 to 720 | |
| 150 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 120 |
| Melting Completion (Liquidus), °C | 1040 | |
| 900 |
| Melting Onset (Solidus), °C | 1030 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 380 |
| Thermal Conductivity, W/m-K | 58 | |
| 120 |
| Thermal Expansion, µm/m-K | 18 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 13 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 13 | |
| 30 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 23 |
| Density, g/cm3 | 8.4 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 2.7 |
| Embodied Energy, MJ/kg | 52 | |
| 45 |
| Embodied Water, L/kg | 380 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 to 200 | |
| 38 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 2310 | |
| 110 to 750 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 16 to 32 | |
| 13 to 18 |
| Strength to Weight: Bending, points | 16 to 26 | |
| 14 to 18 |
| Thermal Diffusivity, mm2/s | 16 | |
| 39 |
| Thermal Shock Resistance, points | 17 to 34 | |
| 12 to 17 |
Alloy Composition
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| Aluminum (Al), % | 7.7 to 8.3 | |
| 0 |
| Copper (Cu), % | 89 to 90.5 | |
| 58 to 62 |
| Iron (Fe), % | 0 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 to 0.015 | |
| 0.6 to 1.2 |
| Nickel (Ni), % | 1.8 to 2.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 36.3 to 41.4 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |