Grade 704C Zirconium vs. AISI 317 Stainless Steel
Grade 704C zirconium belongs to the otherwise unclassified metals classification, while AISI 317 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is grade 704C zirconium and the bottom bar is AISI 317 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 | |
| 170 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 97 | |
| 200 |
| Elongation at Break, % | 11 | |
| 35 to 55 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 36 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 580 to 710 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 250 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 290 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 15 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.9 |
| Embodied Water, L/kg | 460 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 | |
| 210 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 490 | |
| 150 to 430 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 20 | |
| 20 to 25 |
| Strength to Weight: Bending, points | 20 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 12 | |
| 4.1 |
| Thermal Shock Resistance, points | 58 | |
| 12 to 15 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 18 to 20 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 58 to 68 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 4.0 |
| Nickel (Ni), % | 0 | |
| 11 to 15 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.1 |
| 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 |
| Tin (Sn), % | 1.0 to 2.0 | |
| 0 |
| Zirconium (Zr), % | 92.9 to 99 | |
| 0 |