S20910 Stainless Steel vs. ZA-8
S20910 stainless steel belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 29 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is S20910 stainless steel and the bottom bar is ZA-8.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 290 | |
| 87 to 100 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 85 to 86 |
| Elongation at Break, % | 14 to 39 | |
| 1.3 to 8.0 |
| Fatigue Strength, MPa | 310 to 460 | |
| 51 to 100 |
| Poisson's Ratio | 0.28 | |
| 0.26 |
| Shear Modulus, GPa | 79 | |
| 34 |
| Shear Strength, MPa | 500 to 570 | |
| 240 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
| 210 to 370 |
| Tensile Strength: Yield (Proof), MPa | 430 to 810 | |
| 210 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 110 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 100 |
| Melting Completion (Liquidus), °C | 1420 | |
| 400 |
| Melting Onset (Solidus), °C | 1380 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 440 |
| Thermal Conductivity, W/m-K | 13 | |
| 120 |
| Thermal Expansion, µm/m-K | 16 | |
| 23 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 3.3 |
| Embodied Energy, MJ/kg | 68 | |
| 62 |
| Embodied Water, L/kg | 180 | |
| 420 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 260 | |
| 2.8 to 28 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1640 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 9.3 to 17 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 12 to 18 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 42 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 7.6 to 13 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 8.0 to 8.8 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0.8 to 1.3 |
| Iron (Fe), % | 52.1 to 62.1 | |
| 0 to 0.075 |
| Lead (Pb), % | 0 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.015 to 0.030 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 0 to 0.020 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.045 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 89.7 to 91.2 |