AWS ER120S-1 vs. Z21721 Zinc
AWS ER120S-1 belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 27 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is AWS ER120S-1 and the bottom bar is Z21721 zinc.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 87 |
| Elongation at Break, % | 17 | |
| 40 |
| Poisson's Ratio | 0.29 | |
| 0.25 |
| Shear Modulus, GPa | 73 | |
| 35 |
| Tensile Strength: Ultimate (UTS), MPa | 930 | |
| 150 |
| Tensile Strength: Yield (Proof), MPa | 830 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 110 |
| Melting Completion (Liquidus), °C | 1460 | |
| 410 |
| Melting Onset (Solidus), °C | 1410 | |
| 390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 46 | |
| 110 |
| Thermal Expansion, µm/m-K | 13 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.8 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.0 | |
| 37 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.2 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 6.6 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 2.8 |
| Embodied Energy, MJ/kg | 25 | |
| 53 |
| Embodied Water, L/kg | 56 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 | |
| 57 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1850 | |
| 88 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 22 |
| Strength to Weight: Axial, points | 33 | |
| 6.4 |
| Strength to Weight: Bending, points | 27 | |
| 9.6 |
| Thermal Diffusivity, mm2/s | 13 | |
| 44 |
| Thermal Shock Resistance, points | 27 | |
| 4.8 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 0 to 0.0020 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.070 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Chromium (Cr), % | 0 to 0.6 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.0050 |
| Iron (Fe), % | 92.4 to 96.1 | |
| 0 to 0.010 |
| Lead (Pb), % | 0 | |
| 0 to 1.0 |
| Manganese (Mn), % | 1.4 to 1.8 | |
| 0 |
| Molybdenum (Mo), % | 0.3 to 0.65 | |
| 0 |
| Nickel (Ni), % | 2.0 to 2.8 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0.25 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.020 |
| Vanadium (V), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 98.9 to 100 |
| Zirconium (Zr), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |