C37100 Brass vs. C51900 Bronze
Both C37100 brass and C51900 bronze are copper alloys. They have 60% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C37100 brass and the bottom bar is C51900 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 8.0 to 40 | |
| 14 to 29 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Rockwell Superficial 30T Hardness | 43 to 71 | |
| 45 to 76 |
| Shear Modulus, GPa | 40 | |
| 42 |
| Shear Strength, MPa | 260 to 300 | |
| 320 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 520 | |
| 380 to 620 |
| Tensile Strength: Yield (Proof), MPa | 150 to 390 | |
| 390 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 180 |
| Melting Completion (Liquidus), °C | 900 | |
| 1040 |
| Melting Onset (Solidus), °C | 890 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 66 |
| Thermal Expansion, µm/m-K | 21 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 30 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 33 |
| Density, g/cm3 | 8.0 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.2 |
| Embodied Energy, MJ/kg | 45 | |
| 51 |
| Embodied Water, L/kg | 320 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 38 to 120 | |
| 55 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 750 | |
| 680 to 1450 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 13 to 18 | |
| 12 to 19 |
| Strength to Weight: Bending, points | 14 to 18 | |
| 13 to 18 |
| Thermal Diffusivity, mm2/s | 39 | |
| 20 |
| Thermal Shock Resistance, points | 12 to 17 | |
| 14 to 22 |
Alloy Composition
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| Copper (Cu), % | 58 to 62 | |
| 91.7 to 95 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.1 |
| Lead (Pb), % | 0.6 to 1.2 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0.030 to 0.35 |
| Tin (Sn), % | 0 | |
| 5.0 to 7.0 |
| Zinc (Zn), % | 36.3 to 41.4 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |