S45503 Stainless Steel vs. Type 1 Niobium
S45503 stainless steel belongs to the iron alloys classification, while Type 1 niobium 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 S45503 stainless steel and the bottom bar is Type 1 niobium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 410 to 500 | |
| 79 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 4.6 to 6.8 | |
| 29 |
| Poisson's Ratio | 0.28 | |
| 0.4 |
| Shear Modulus, GPa | 75 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 1610 to 1850 | |
| 140 |
| Tensile Strength: Yield (Proof), MPa | 1430 to 1700 | |
| 82 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 320 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 270 |
| Thermal Expansion, µm/m-K | 11 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 8.6 |
| Embodied Water, L/kg | 120 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 to 110 | |
| 35 |
| Stiffness to Weight: Axial, points | 14 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 57 to 65 | |
| 4.6 |
| Strength to Weight: Bending, points | 39 to 43 | |
| 7.1 |
| Thermal Shock Resistance, points | 56 to 64 | |
| 13 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.010 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0 |
| Copper (Cu), % | 1.5 to 2.5 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 0.020 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 72.4 to 78.9 | |
| 0 to 0.0050 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 to 0.010 |
| Nickel (Ni), % | 7.5 to 9.5 | |
| 0 to 0.0050 |
| Niobium (Nb), % | 0.1 to 0.5 | |
| 99.7 to 100 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.015 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 1.0 to 1.4 | |
| 0 to 0.020 |
| Tungsten (W), % | 0 | |
| 0 to 0.030 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |