ASTM A232 Spring Steel vs. C19800 Copper
ASTM A232 spring steel belongs to the iron alloys classification, while C19800 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM A232 spring steel and the bottom bar is C19800 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 14 | |
| 9.0 to 12 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 73 | |
| 43 |
| Shear Strength, MPa | 1090 | |
| 260 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 1790 | |
| 430 to 550 |
| Tensile Strength: Yield (Proof), MPa | 1610 | |
| 420 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 200 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1070 |
| Melting Onset (Solidus), °C | 1410 | |
| 1050 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 52 | |
| 260 |
| Thermal Expansion, µm/m-K | 13 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 61 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 62 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 30 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 2.8 |
| Embodied Energy, MJ/kg | 28 | |
| 43 |
| Embodied Water, L/kg | 51 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 250 | |
| 49 to 52 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 64 | |
| 14 to 17 |
| Strength to Weight: Bending, points | 42 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 14 | |
| 75 |
| Thermal Shock Resistance, points | 53 | |
| 15 to 20 |
Alloy Composition
| Carbon (C), % | 0.48 to 0.53 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.1 | |
| 0 |
| Copper (Cu), % | 0 | |
| 95.7 to 99.47 |
| Iron (Fe), % | 96.8 to 97.7 | |
| 0.020 to 0.5 |
| Magnesium (Mg), % | 0 | |
| 0.1 to 1.0 |
| Manganese (Mn), % | 0.7 to 0.9 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0.010 to 0.1 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.1 to 1.0 |
| Vanadium (V), % | 0.15 to 0.3 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0.3 to 1.5 |
| Residuals, % | 0 | |
| 0 to 0.2 |