AWS E33-31 vs. ZA-8
AWS E33-31 belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 20 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is AWS E33-31 and the bottom bar is ZA-8.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 210 | |
85 to 86 |
Elongation at Break, % | 29 | |
1.3 to 8.0 |
Poisson's Ratio | 0.27 | |
0.26 |
Shear Modulus, GPa | 81 | |
34 |
Tensile Strength: Ultimate (UTS), MPa | 810 | |
210 to 370 |
Thermal Properties
Latent Heat of Fusion, J/g | 320 | |
110 |
Melting Completion (Liquidus), °C | 1380 | |
400 |
Melting Onset (Solidus), °C | 1330 | |
380 |
Specific Heat Capacity, J/kg-K | 480 | |
440 |
Thermal Expansion, µm/m-K | 14 | |
23 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 36 | |
11 |
Density, g/cm3 | 7.9 | |
6.3 |
Embodied Carbon, kg CO2/kg material | 6.0 | |
3.3 |
Embodied Energy, MJ/kg | 86 | |
62 |
Embodied Water, L/kg | 260 | |
420 |
Common Calculations
Stiffness to Weight: Axial, points | 14 | |
7.5 |
Stiffness to Weight: Bending, points | 25 | |
23 |
Strength to Weight: Axial, points | 28 | |
9.3 to 17 |
Strength to Weight: Bending, points | 24 | |
12 to 18 |
Thermal Shock Resistance, points | 19 | |
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 0.030 | |
0 |
Chromium (Cr), % | 31 to 35 | |
0 |
Copper (Cu), % | 0.4 to 0.8 | |
0.8 to 1.3 |
Iron (Fe), % | 24.7 to 34.8 | |
0 to 0.075 |
Lead (Pb), % | 0 | |
0 to 0.0060 |
Magnesium (Mg), % | 0 | |
0.015 to 0.030 |
Manganese (Mn), % | 2.5 to 4.0 | |
0 |
Molybdenum (Mo), % | 1.0 to 2.0 | |
0 |
Nickel (Ni), % | 30 to 32 | |
0 to 0.020 |
Nitrogen (N), % | 0.3 to 0.5 | |
0 |
Phosphorus (P), % | 0 to 0.020 | |
0 |
Silicon (Si), % | 0 to 0.9 | |
0 to 0.045 |
Sulfur (S), % | 0 to 0.010 | |
0 |
Tin (Sn), % | 0 | |
0 to 0.0030 |
Zinc (Zn), % | 0 | |
89.7 to 91.2 |