ZA-8 vs. S31727 Stainless Steel
ZA-8 belongs to the zinc alloys classification, while S31727 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is ZA-8 and the bottom bar is S31727 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 87 to 100 | |
| 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 85 to 86 | |
| 200 |
| Elongation at Break, % | 1.3 to 8.0 | |
| 40 |
| Fatigue Strength, MPa | 51 to 100 | |
| 240 |
| Poisson's Ratio | 0.26 | |
| 0.28 |
| Rockwell B Hardness | 54 to 65 | |
| 83 |
| Shear Modulus, GPa | 34 | |
| 78 |
| Shear Strength, MPa | 240 to 280 | |
| 430 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 370 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 210 to 290 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 1010 |
| Melting Completion (Liquidus), °C | 400 | |
| 1440 |
| Melting Onset (Solidus), °C | 380 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 470 |
| Thermal Expansion, µm/m-K | 23 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 24 |
| Density, g/cm3 | 6.3 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 4.7 |
| Embodied Energy, MJ/kg | 62 | |
| 64 |
| Embodied Water, L/kg | 420 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.8 to 28 | |
| 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 190 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 9.3 to 17 | |
| 22 |
| Strength to Weight: Bending, points | 12 to 18 | |
| 20 |
| Thermal Shock Resistance, points | 7.6 to 13 | |
| 14 |
Alloy Composition
| Aluminum (Al), % | 8.0 to 8.8 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 17.5 to 19 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 2.8 to 4.0 |
| Iron (Fe), % | 0 to 0.075 | |
| 53.7 to 61.3 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 3.8 to 4.5 |
| Nickel (Ni), % | 0 to 0.020 | |
| 14.5 to 16.5 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.21 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.045 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Zinc (Zn), % | 89.7 to 91.2 | |
| 0 |