AWS ER90S-B9 vs. ZA-8
AWS ER90S-B9 belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 27 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 AWS ER90S-B9 and the bottom bar is ZA-8.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 85 to 86 |
| Elongation at Break, % | 18 | |
| 1.3 to 8.0 |
| Poisson's Ratio | 0.28 | |
| 0.26 |
| Shear Modulus, GPa | 75 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 690 | |
| 210 to 370 |
| Tensile Strength: Yield (Proof), MPa | 470 | |
| 210 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 110 |
| Melting Completion (Liquidus), °C | 1450 | |
| 400 |
| Melting Onset (Solidus), °C | 1410 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 440 |
| Thermal Conductivity, W/m-K | 25 | |
| 120 |
| Thermal Expansion, µm/m-K | 13 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 40 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.3 |
| Embodied Energy, MJ/kg | 37 | |
| 62 |
| Embodied Water, L/kg | 91 | |
| 420 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 2.8 to 28 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 25 | |
| 9.3 to 17 |
| Strength to Weight: Bending, points | 22 | |
| 12 to 18 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 42 |
| Thermal Shock Resistance, points | 19 | |
| 7.6 to 13 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.040 | |
| 8.0 to 8.8 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0.070 to 0.13 | |
| 0 |
| Chromium (Cr), % | 8.0 to 10.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0.8 to 1.3 |
| Iron (Fe), % | 84.4 to 90.7 | |
| 0 to 0.075 |
| Lead (Pb), % | 0 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.015 to 0.030 |
| Manganese (Mn), % | 0 to 1.2 | |
| 0 |
| Molybdenum (Mo), % | 0.85 to 1.2 | |
| 0 |
| Nickel (Ni), % | 0 to 0.8 | |
| 0 to 0.020 |
| Niobium (Nb), % | 0.020 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0.030 to 0.070 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.5 | |
| 0 to 0.045 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Vanadium (V), % | 0.15 to 0.3 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 89.7 to 91.2 |
| Residuals, % | 0 to 0.5 | |
| 0 |