SAE-AISI M3 Class 2 Steel vs. ASTM B540 Palladium
SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while ASTM B540 palladium belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI M3 class 2 steel and the bottom bar is ASTM B540 palladium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.38 |
| Shear Modulus, GPa | 77 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 2210 | |
| 830 to 1240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 140 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1220 |
| Melting Onset (Solidus), °C | 1570 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 240 |
| Thermal Expansion, µm/m-K | 12 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 13 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 4.7 |
| Stiffness to Weight: Bending, points | 23 | |
| 12 |
| Strength to Weight: Axial, points | 26 to 74 | |
| 18 to 27 |
| Strength to Weight: Bending, points | 22 to 45 | |
| 15 to 20 |
| Thermal Shock Resistance, points | 24 to 69 | |
| 41 to 61 |
Alloy Composition
| Carbon (C), % | 1.2 to 1.3 | |
| 0 |
| Chromium (Cr), % | 3.8 to 4.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 13.5 to 14.5 |
| Gold (Au), % | 0 | |
| 9.5 to 10.5 |
| Iron (Fe), % | 75.8 to 82.3 | |
| 0 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 4.8 to 6.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Palladium (Pd), % | 0 | |
| 34 to 36 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 9.5 to 10.5 |
| Silicon (Si), % | 0.2 to 0.45 | |
| 0 |
| Silver (Ag), % | 0 | |
| 29 to 31 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 5.0 to 6.8 | |
| 0 |
| Vanadium (V), % | 2.8 to 3.8 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0.8 to 1.2 |
| Residuals, % | 0 | |
| 0 to 0.3 |