AISI 321 Stainless Steel vs. R04295 Alloy
AISI 321 stainless steel belongs to the iron alloys classification, while R04295 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is AISI 321 stainless steel and the bottom bar is R04295 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 100 |
| Elongation at Break, % | 34 to 50 | |
| 22 |
| Poisson's Ratio | 0.28 | |
| 0.38 |
| Shear Modulus, GPa | 77 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 690 | |
| 410 |
| Tensile Strength: Yield (Proof), MPa | 220 to 350 | |
| 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 300 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 260 |
| Thermal Expansion, µm/m-K | 17 | |
| 7.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 9.0 |
| Embodied Water, L/kg | 140 | |
| 950 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 to 230 | |
| 84 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 310 | |
| 430 |
| Stiffness to Weight: Axial, points | 14 | |
| 6.3 |
| Stiffness to Weight: Bending, points | 25 | |
| 17 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 13 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 14 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 40 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.015 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 9.0 to 11 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 65.3 to 74 | |
| 0 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 9.0 to 12 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 85.9 to 90.3 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.025 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0 to 0.7 | |
| 0.7 to 1.3 |
| Tungsten (W), % | 0 | |
| 0 to 0.5 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.7 |