Stress Relieved ASTM B541 vs. Stress Relieved ASTM B563
Both stress relieved ASTM B541 and stress relieved ASTM B563 are otherwise unclassified metals. Both are furnished in the stress relieved condition. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 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 stress relieved ASTM B541 and the bottom bar is stress relieved ASTM B563.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 9.5 | |
| 9.1 |
| Knoop Hardness | 310 | |
| 300 |
| Poisson's Ratio | 0.4 | |
| 0.37 |
| Shear Modulus, GPa | 38 | |
| 37 |
| Shear Strength, MPa | 600 | |
| 620 |
| Tensile Strength: Ultimate (UTS), MPa | 1020 | |
| 1050 |
Thermal Properties
| Latent Heat of Fusion, J/g | 90 | |
| 150 |
| Melting Completion (Liquidus), °C | 1110 | |
| 1180 |
| Melting Onset (Solidus), °C | 930 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 170 | |
| 260 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.3 | |
| 5.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.3 | |
| 4.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 11 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.4 | |
| 5.2 |
| Stiffness to Weight: Bending, points | 9.0 | |
| 14 |
| Strength to Weight: Axial, points | 16 | |
| 27 |
| Strength to Weight: Bending, points | 13 | |
| 21 |
| Thermal Shock Resistance, points | 54 | |
| 54 |
Alloy Composition
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| Copper (Cu), % | 13.5 to 15.5 | |
| 15.5 to 16.5 |
| Gold (Au), % | 70.5 to 72.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.8 to 1.2 |
| Palladium (Pd), % | 0 | |
| 43 to 45 |
| Platinum (Pt), % | 8.0 to 9.0 | |
| 0.8 to 1.2 |
| Silver (Ag), % | 4.0 to 5.0 | |
| 37 to 39 |
| Zinc (Zn), % | 0.7 to 1.3 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |