C51000 Bronze vs. C51900 Bronze
Both C51000 bronze and C51900 bronze are copper alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is C51000 bronze and the bottom bar is C51900 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 2.7 to 64 | |
| 14 to 29 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 26 to 97 | |
| 42 to 91 |
| Rockwell Superficial 30T Hardness | 42 to 80 | |
| 45 to 76 |
| Shear Modulus, GPa | 42 | |
| 42 |
| Shear Strength, MPa | 250 to 460 | |
| 320 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 780 | |
| 380 to 620 |
| Tensile Strength: Yield (Proof), MPa | 130 to 750 | |
| 390 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 180 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1040 |
| Melting Onset (Solidus), °C | 960 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 380 |
| Thermal Conductivity, W/m-K | 77 | |
| 66 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 18 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 33 |
| Density, g/cm3 | 8.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 3.2 |
| Embodied Energy, MJ/kg | 50 | |
| 51 |
| Embodied Water, L/kg | 350 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.0 to 490 | |
| 55 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 75 to 2490 | |
| 680 to 1450 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 10 to 25 | |
| 12 to 19 |
| Strength to Weight: Bending, points | 12 to 21 | |
| 13 to 18 |
| Thermal Diffusivity, mm2/s | 23 | |
| 20 |
| Thermal Shock Resistance, points | 12 to 28 | |
| 14 to 22 |
Alloy Composition
| Copper (Cu), % | 92.9 to 95.5 | |
| 91.7 to 95 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0.030 to 0.35 |
| Tin (Sn), % | 4.5 to 5.8 | |
| 5.0 to 7.0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 to 0.3 |
| Residuals, % | 0 | |
| 0 to 0.5 |