C51100 Bronze vs. ASTM A387 Grade 2 Steel
C51100 bronze belongs to the copper alloys classification, while ASTM A387 grade 2 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C51100 bronze and the bottom bar is ASTM A387 grade 2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 2.5 to 50 | |
| 25 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 42 | |
| 73 |
| Shear Strength, MPa | 230 to 410 | |
| 300 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 720 | |
| 470 to 550 |
| Tensile Strength: Yield (Proof), MPa | 93 to 700 | |
| 260 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 420 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1470 |
| Melting Onset (Solidus), °C | 970 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 84 | |
| 45 |
| Thermal Expansion, µm/m-K | 18 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 20 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 20 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 2.6 |
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 1.6 |
| Embodied Energy, MJ/kg | 48 | |
| 20 |
| Embodied Water, L/kg | 340 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 140 | |
| 98 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 38 to 2170 | |
| 180 to 320 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 10 to 22 | |
| 16 to 20 |
| Strength to Weight: Bending, points | 12 to 20 | |
| 17 to 19 |
| Thermal Diffusivity, mm2/s | 25 | |
| 12 |
| Thermal Shock Resistance, points | 12 to 26 | |
| 14 to 16 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.050 to 0.21 |
| Chromium (Cr), % | 0 | |
| 0.5 to 0.8 |
| Copper (Cu), % | 93.8 to 96.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 97.1 to 98.3 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.55 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0.45 to 0.6 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Tin (Sn), % | 3.5 to 4.9 | |
| 0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |