C51900 Bronze vs. C23000 Brass
Both C51900 bronze and C23000 brass are copper alloys. They have 85% of their average alloy composition in common. There are 31 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 C51900 bronze and the bottom bar is C23000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 14 to 29 | |
| 2.9 to 47 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Rockwell B Hardness | 42 to 91 | |
| 48 to 87 |
| Rockwell Superficial 30T Hardness | 45 to 76 | |
| 51 to 77 |
| Shear Modulus, GPa | 42 | |
| 42 |
| Shear Strength, MPa | 320 to 370 | |
| 220 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 620 | |
| 280 to 590 |
| Tensile Strength: Yield (Proof), MPa | 390 to 570 | |
| 83 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 1040 | |
| 1030 |
| Melting Onset (Solidus), °C | 930 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 66 | |
| 160 |
| Thermal Expansion, µm/m-K | 18 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 14 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 14 | |
| 39 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 28 |
| Density, g/cm3 | 8.8 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 2.6 |
| Embodied Energy, MJ/kg | 51 | |
| 43 |
| Embodied Water, L/kg | 360 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 55 to 180 | |
| 6.2 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 680 to 1450 | |
| 31 to 1040 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 12 to 19 | |
| 8.9 to 19 |
| Strength to Weight: Bending, points | 13 to 18 | |
| 11 to 18 |
| Thermal Diffusivity, mm2/s | 20 | |
| 48 |
| Thermal Shock Resistance, points | 14 to 22 | |
| 9.4 to 20 |
Alloy Composition
| Copper (Cu), % | 91.7 to 95 | |
| 84 to 86 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0 |
| Tin (Sn), % | 5.0 to 7.0 | |
| 0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 13.7 to 16 |
| Residuals, % | 0 | |
| 0 to 0.2 |