Ductile Hardened ASTM B540 vs. Hard Drawn ASTM B596
Both ductile hardened ASTM B540 and hard drawn ASTM B596 are otherwise unclassified metals. Both are furnished in the cold worked (strain hardened) condition. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ductile hardened ASTM B540 and the bottom bar is hard drawn ASTM B596.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 9.1 | |
| 4.3 |
| Poisson's Ratio | 0.38 | |
| 0.41 |
| Shear Modulus, GPa | 39 | |
| 36 |
| Shear Strength, MPa | 690 | |
| 360 |
| Tensile Strength: Ultimate (UTS), MPa | 1170 | |
| 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 77 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1060 |
| Melting Onset (Solidus), °C | 1020 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 150 |
| Thermal Expansion, µm/m-K | 14 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.5 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.9 | |
| 6.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 18 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 3.1 |
| Stiffness to Weight: Bending, points | 12 | |
| 8.5 |
| Strength to Weight: Axial, points | 26 | |
| 9.4 |
| Strength to Weight: Bending, points | 19 | |
| 8.8 |
| Thermal Shock Resistance, points | 58 | |
| 30 |
Alloy Composition
| Copper (Cu), % | 13.5 to 14.5 | |
| 9.0 to 11 |
| Gold (Au), % | 9.5 to 10.5 | |
| 89 to 91 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |