Grade 705C Zirconium vs. AISI 347 Stainless Steel
Grade 705C zirconium belongs to the otherwise unclassified metals classification, while AISI 347 stainless steel belongs to the iron alloys. There are 21 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 grade 705C zirconium and the bottom bar is AISI 347 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 160 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 200 |
| Elongation at Break, % | 13 | |
| 34 to 46 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 36 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 610 to 690 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 240 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 480 |
| Thermal Conductivity, W/m-K | 18 | |
| 16 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.8 |
| Embodied Water, L/kg | 450 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 66 | |
| 190 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 790 | |
| 150 to 310 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 22 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 22 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 9.9 | |
| 4.3 |
| Thermal Shock Resistance, points | 69 | |
| 13 to 15 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 17 to 19 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 64.1 to 74 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 9.0 to 13 |
| Niobium (Nb), % | 2.0 to 3.0 | |
| 0 to 1.0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zirconium (Zr), % | 91.9 to 98 | |
| 0 |