Age Hardened ASTM B540 vs. Age Hardened ASTM B563
Both age hardened ASTM B540 and age hardened ASTM B563 are otherwise unclassified metals. Both are furnished in the aged (precipitation hardened) condition. They have 80% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is age hardened ASTM B540 and the bottom bar is age hardened ASTM B563.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 1.1 | |
| 7.0 |
| Fatigue Strength, MPa | 350 | |
| 310 |
| Knoop Hardness | 380 | |
| 350 |
| Poisson's Ratio | 0.38 | |
| 0.37 |
| Shear Modulus, GPa | 39 | |
| 37 |
| Shear Strength, MPa | 700 | |
| 690 |
| Tensile Strength: Ultimate (UTS), MPa | 1240 | |
| 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 150 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1180 |
| Melting Onset (Solidus), °C | 1020 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 260 |
| Thermal Expansion, µm/m-K | 14 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.5 | |
| 6.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.9 | |
| 5.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 11 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 5.2 |
| Stiffness to Weight: Bending, points | 12 | |
| 14 |
| Strength to Weight: Axial, points | 27 | |
| 30 |
| Strength to Weight: Bending, points | 20 | |
| 22 |
| Thermal Shock Resistance, points | 61 | |
| 61 |
Alloy Composition
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| Copper (Cu), % | 13.5 to 14.5 | |
| 15.5 to 16.5 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.8 to 1.2 |
| Palladium (Pd), % | 34 to 36 | |
| 43 to 45 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0.8 to 1.2 |
| Silver (Ag), % | 29 to 31 | |
| 37 to 39 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.4 |