AISI 440A Stainless Steel vs. ASTM B617 Coin Silver
AISI 440A stainless steel belongs to the iron alloys classification, while ASTM B617 coin silver belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is ASTM B617 coin silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 75 |
| Elongation at Break, % | 5.0 to 20 | |
| 1.1 to 22 |
| Poisson's Ratio | 0.28 | |
| 0.37 |
| Shear Modulus, GPa | 77 | |
| 28 |
| Shear Strength, MPa | 450 to 1040 | |
| 180 to 290 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1790 | |
| 290 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 120 |
| Melting Completion (Liquidus), °C | 1480 | |
| 870 |
| Melting Onset (Solidus), °C | 1370 | |
| 780 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 250 |
| Thermal Expansion, µm/m-K | 10 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 83 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 72 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 4.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 14 |
| Strength to Weight: Axial, points | 26 to 65 | |
| 7.7 to 14 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 9.3 to 14 |
| Thermal Shock Resistance, points | 26 to 65 | |
| 14 to 25 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0.6 to 0.75 | |
| 0 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Copper (Cu), % | 0 | |
| 9.0 to 10.4 |
| Iron (Fe), % | 78.4 to 83.4 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Silver (Ag), % | 0 | |
| 89.6 to 91 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.060 |
| Residuals, % | 0 | |
| 0 to 0.060 |