C66100 Bronze vs. ASTM A227 Spring Steel
C66100 bronze belongs to the copper alloys classification, while ASTM A227 spring steel belongs to the iron alloys. There are 26 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 C66100 bronze and the bottom bar is ASTM A227 spring steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 8.0 to 40 | |
| 12 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 43 | |
| 72 |
| Shear Strength, MPa | 280 to 460 | |
| 1030 to 1330 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 790 | |
| 1720 to 2220 |
| Tensile Strength: Yield (Proof), MPa | 120 to 430 | |
| 1430 to 1850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 400 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1450 |
| Melting Onset (Solidus), °C | 1000 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 470 |
| Thermal Conductivity, W/m-K | 34 | |
| 52 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 1.8 |
| Density, g/cm3 | 8.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 42 | |
| 19 |
| Embodied Water, L/kg | 300 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 53 to 120 | |
| 200 to 260 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 25 | |
| 61 to 79 |
| Strength to Weight: Bending, points | 14 to 22 | |
| 41 to 48 |
| Thermal Diffusivity, mm2/s | 9.7 | |
| 14 |
| Thermal Shock Resistance, points | 15 to 29 | |
| 55 to 71 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.45 to 0.85 |
| Copper (Cu), % | 92 to 97 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 97.4 to 99.1 |
| Lead (Pb), % | 0.2 to 0.8 | |
| 0 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0.3 to 1.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 2.8 to 3.5 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 1.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |