3/4-hard AISI 205 vs. 3/4-hard ASTM B617
3/4-hard AISI 205 belongs to the iron alloys classification, while 3/4-hard ASTM B617 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is 3/4-hard AISI 205 and the bottom bar is 3/4-hard ASTM B617.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 75 |
| Elongation at Break, % | 17 | |
| 2.2 |
| Poisson's Ratio | 0.28 | |
| 0.37 |
| Shear Modulus, GPa | 77 | |
| 28 |
| Shear Strength, MPa | 850 | |
| 250 |
| Tensile Strength: Ultimate (UTS), MPa | 1370 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 120 |
| Melting Completion (Liquidus), °C | 1380 | |
| 870 |
| Melting Onset (Solidus), °C | 1340 | |
| 780 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 250 |
| Thermal Expansion, µm/m-K | 18 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.6 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 4.1 |
| Stiffness to Weight: Bending, points | 26 | |
| 14 |
| Strength to Weight: Axial, points | 50 | |
| 12 |
| Strength to Weight: Bending, points | 36 | |
| 12 |
| Thermal Shock Resistance, points | 28 | |
| 21 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0.12 to 0.25 | |
| 0 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 9.0 to 10.4 |
| Iron (Fe), % | 62.6 to 68.1 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Manganese (Mn), % | 14 to 15.5 | |
| 0 |
| Nickel (Ni), % | 1.0 to 1.7 | |
| 0 to 0.010 |
| Nitrogen (N), % | 0.32 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Silver (Ag), % | 0 | |
| 89.6 to 91 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.060 |
| Residuals, % | 0 | |
| 0 to 0.060 |