SAE-AISI M48 Steel vs. SAE-AISI M62 Steel
Both SAE-AISI M48 steel and SAE-AISI M62 steel are iron alloys. They have 86% of their average alloy composition in common.
For each property being compared, the top bar is SAE-AISI M48 steel and the bottom bar is SAE-AISI M62 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 2390 | |
| 830 to 2440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 260 |
| Melting Completion (Liquidus), °C | 1670 | |
| 1650 |
| Melting Onset (Solidus), °C | 1620 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 430 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 48 | |
| 30 |
| Density, g/cm3 | 8.7 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 10 |
| Embodied Energy, MJ/kg | 190 | |
| 150 |
| Embodied Water, L/kg | 160 | |
| 110 |
Common Calculations
| PREN (Pitting Resistance) | 37 | |
| 49 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 22 | |
| 23 |
| Strength to Weight: Axial, points | 28 to 76 | |
| 27 to 80 |
| Strength to Weight: Bending, points | 23 to 45 | |
| 23 to 47 |
| Thermal Shock Resistance, points | 26 to 71 | |
| 24 to 71 |
Alloy Composition
| Carbon (C), % | 1.4 to 1.5 | |
| 1.3 to 1.4 |
| Chromium (Cr), % | 3.5 to 4.0 | |
| 3.5 to 4.0 |
| Cobalt (Co), % | 8.0 to 10 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.25 |
| Iron (Fe), % | 63.8 to 69.8 | |
| 73.6 to 77.4 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0.15 to 0.4 |
| Molybdenum (Mo), % | 4.8 to 5.5 | |
| 10 to 11 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.030 |
| Silicon (Si), % | 0.15 to 0.4 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Tungsten (W), % | 9.5 to 10.5 | |
| 5.8 to 6.5 |
| Vanadium (V), % | 2.8 to 3.3 | |
| 1.8 to 2.1 |