ASTM A209 Steel vs. ASTM B540 Palladium
ASTM A209 steel belongs to the iron alloys classification, while ASTM B540 palladium belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ASTM A209 steel and the bottom bar is ASTM B540 palladium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 34 | |
| 1.1 to 14 |
| Fatigue Strength, MPa | 180 to 200 | |
| 350 |
| Poisson's Ratio | 0.29 | |
| 0.38 |
| Shear Modulus, GPa | 73 | |
| 39 |
| Shear Strength, MPa | 280 to 310 | |
| 500 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 830 to 1240 |
| Tensile Strength: Yield (Proof), MPa | 220 to 250 | |
| 620 to 1000 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 140 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1220 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 240 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 4.9 to 5.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 3.5 to 3.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 13 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 13 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 170 | |
| 1790 to 4660 |
| Stiffness to Weight: Axial, points | 13 | |
| 4.7 |
| Stiffness to Weight: Bending, points | 24 | |
| 12 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 18 to 27 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 15 to 20 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 41 to 61 |