S30615 Stainless Steel vs. ASTM B685 Alloy
S30615 stainless steel belongs to the iron alloys classification, while ASTM B685 alloy belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.
For each property being compared, the top bar is S30615 stainless steel and the bottom bar is ASTM B685 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Poisson's Ratio | 0.28 | |
| 0.37 |
| Shear Modulus, GPa | 75 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 690 | |
| 660 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 180 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1230 |
| Melting Onset (Solidus), °C | 1320 | |
| 1200 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 300 |
| Thermal Expansion, µm/m-K | 16 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.6 | |
| 11 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 6.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 15 |
| Strength to Weight: Axial, points | 25 | |
| 17 to 27 |
| Strength to Weight: Bending, points | 23 | |
| 16 to 21 |
| Thermal Shock Resistance, points | 16 | |
| 28 to 46 |
Alloy Composition
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| Aluminum (Al), % | 0.8 to 1.5 | |
| 0 to 0.0050 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0.16 to 0.24 | |
| 0 |
| Chromium (Cr), % | 17 to 19.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 39.5 to 40.5 |
| Iron (Fe), % | 56.7 to 65.3 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 13.5 to 16 | |
| 0 |
| Palladium (Pd), % | 0 | |
| 59 to 60.5 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 3.2 to 4.0 | |
| 0 |
| Silver (Ag), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.060 |
| Residuals, % | 0 | |
| 0 to 0.2 |