ASTM A227 Spring Steel vs. 60Cr-40Ni Alloy
ASTM A227 spring steel belongs to the iron alloys classification, while 60Cr-40Ni alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is ASTM A227 spring steel and the bottom bar is 60Cr-40Ni alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 220 |
| Poisson's Ratio | 0.29 | |
| 0.25 |
| Shear Modulus, GPa | 72 | |
| 87 |
| Tensile Strength: Ultimate (UTS), MPa | 1720 to 2220 | |
| 870 |
| Tensile Strength: Yield (Proof), MPa | 1430 to 1850 | |
| 660 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 490 |
| Thermal Expansion, µm/m-K | 12 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 49 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 7.4 |
| Embodied Energy, MJ/kg | 19 | |
| 110 |
| Embodied Water, L/kg | 46 | |
| 380 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 16 |
| Stiffness to Weight: Bending, points | 24 | |
| 26 |
| Strength to Weight: Axial, points | 61 to 79 | |
| 31 |
| Strength to Weight: Bending, points | 41 to 48 | |
| 26 |
| Thermal Shock Resistance, points | 55 to 71 | |
| 18 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.25 |
| Carbon (C), % | 0.45 to 0.85 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 58 to 62 |
| Iron (Fe), % | 97.4 to 99.1 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0.3 to 1.3 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 | |
| 34.5 to 42 |
| Nitrogen (N), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 | |
| 0 to 0.5 |