C91000 Bronze vs. ASTM A387 Grade 91 Class 2
C91000 bronze belongs to the copper alloys classification, while ASTM A387 grade 91 class 2 belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C91000 bronze and the bottom bar is ASTM A387 grade 91 class 2.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 | |
| 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 7.0 | |
| 20 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 670 |
| Tensile Strength: Yield (Proof), MPa | 150 | |
| 470 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 600 |
| Melting Completion (Liquidus), °C | 960 | |
| 1460 |
| Melting Onset (Solidus), °C | 820 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 360 | |
| 470 |
| Thermal Conductivity, W/m-K | 64 | |
| 26 |
| Thermal Expansion, µm/m-K | 18 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.0 | |
| 8.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.4 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 7.0 |
| Density, g/cm3 | 8.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.1 | |
| 2.6 |
| Embodied Energy, MJ/kg | 67 | |
| 37 |
| Embodied Water, L/kg | 420 | |
| 88 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 | |
| 580 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 7.5 | |
| 24 |
| Strength to Weight: Bending, points | 9.7 | |
| 22 |
| Thermal Diffusivity, mm2/s | 20 | |
| 6.9 |
| Thermal Shock Resistance, points | 8.8 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 to 0.020 |
| Antimony (Sb), % | 0 to 0.2 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.080 to 0.12 |
| Chromium (Cr), % | 0 | |
| 8.0 to 9.5 |
| Copper (Cu), % | 84 to 86 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 87.3 to 90.3 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.85 to 1.1 |
| Nickel (Ni), % | 0 to 0.8 | |
| 0 to 0.4 |
| Niobium (Nb), % | 0 | |
| 0.060 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0.030 to 0.070 |
| Phosphorus (P), % | 0 to 1.5 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0.2 to 0.5 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.010 |
| Tin (Sn), % | 14 to 16 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Vanadium (V), % | 0 | |
| 0.18 to 0.25 |
| Zinc (Zn), % | 0 to 1.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.010 |
| Residuals, % | 0 to 0.6 | |
| 0 |