C51900 Bronze vs. C66900 Brass
Both C51900 bronze and C66900 brass are copper alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C51900 bronze and the bottom bar is C66900 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 14 to 29 | |
| 1.1 to 26 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Rockwell B Hardness | 42 to 91 | |
| 65 to 100 |
| Rockwell Superficial 30T Hardness | 45 to 76 | |
| 60 to 88 |
| Shear Modulus, GPa | 42 | |
| 45 |
| Shear Strength, MPa | 320 to 370 | |
| 290 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 620 | |
| 460 to 770 |
| Tensile Strength: Yield (Proof), MPa | 390 to 570 | |
| 330 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 150 |
| Melting Completion (Liquidus), °C | 1040 | |
| 860 |
| Melting Onset (Solidus), °C | 930 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 400 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 14 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 14 | |
| 3.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 23 |
| Density, g/cm3 | 8.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 2.8 |
| Embodied Energy, MJ/kg | 51 | |
| 46 |
| Embodied Water, L/kg | 360 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 55 to 180 | |
| 4.6 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 680 to 1450 | |
| 460 to 2450 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 12 to 19 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 13 to 18 | |
| 16 to 23 |
| Thermal Shock Resistance, points | 14 to 22 | |
| 14 to 23 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Copper (Cu), % | 91.7 to 95 | |
| 62.5 to 64.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 11.5 to 12.5 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0 |
| Tin (Sn), % | 5.0 to 7.0 | |
| 0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 22.5 to 26 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |