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