ZA-8 vs. AISI 440A Stainless Steel
ZA-8 belongs to the zinc alloys classification, while AISI 440A stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ZA-8 and the bottom bar is AISI 440A stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 85 to 86 | |
| 200 |
| Elongation at Break, % | 1.3 to 8.0 | |
| 5.0 to 20 |
| Fatigue Strength, MPa | 51 to 100 | |
| 270 to 790 |
| Poisson's Ratio | 0.26 | |
| 0.28 |
| Shear Modulus, GPa | 34 | |
| 77 |
| Shear Strength, MPa | 240 to 280 | |
| 450 to 1040 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 370 | |
| 730 to 1790 |
| Tensile Strength: Yield (Proof), MPa | 210 to 290 | |
| 420 to 1650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 760 |
| Melting Completion (Liquidus), °C | 400 | |
| 1480 |
| Melting Onset (Solidus), °C | 380 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 480 |
| Thermal Conductivity, W/m-K | 120 | |
| 23 |
| Thermal Expansion, µm/m-K | 23 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.0 |
| Density, g/cm3 | 6.3 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 2.2 |
| Embodied Energy, MJ/kg | 62 | |
| 31 |
| Embodied Water, L/kg | 420 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.8 to 28 | |
| 87 to 120 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 9.3 to 17 | |
| 26 to 65 |
| Strength to Weight: Bending, points | 12 to 18 | |
| 23 to 43 |
| Thermal Diffusivity, mm2/s | 42 | |
| 6.2 |
| Thermal Shock Resistance, points | 7.6 to 13 | |
| 26 to 65 |
Alloy Composition
| Aluminum (Al), % | 8.0 to 8.8 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.6 to 0.75 |
| Chromium (Cr), % | 0 | |
| 16 to 18 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 0 |
| Iron (Fe), % | 0 to 0.075 | |
| 78.4 to 83.4 |
| 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 | |
| 0 to 0.75 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.045 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Zinc (Zn), % | 89.7 to 91.2 | |
| 0 |