EN 1.7231 Steel vs. ZA-12
EN 1.7231 steel belongs to the iron alloys classification, while ZA-12 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is ZA-12.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 240 to 280 | |
| 89 to 100 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 83 |
| Elongation at Break, % | 11 to 12 | |
| 1.6 to 5.3 |
| Fatigue Strength, MPa | 360 to 500 | |
| 73 to 120 |
| Poisson's Ratio | 0.29 | |
| 0.26 |
| Shear Modulus, GPa | 73 | |
| 33 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 930 | |
| 260 to 400 |
| Tensile Strength: Yield (Proof), MPa | 570 to 800 | |
| 210 to 320 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 120 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 100 |
| Melting Completion (Liquidus), °C | 1460 | |
| 430 |
| Melting Onset (Solidus), °C | 1420 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 450 |
| Thermal Conductivity, W/m-K | 46 | |
| 120 |
| Thermal Expansion, µm/m-K | 13 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 42 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.5 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 6.0 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.4 |
| Embodied Energy, MJ/kg | 20 | |
| 64 |
| Embodied Water, L/kg | 51 | |
| 440 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 100 | |
| 4.0 to 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 870 to 1700 | |
| 260 to 620 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 12 to 19 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 15 to 20 |
| Thermal Diffusivity, mm2/s | 12 | |
| 43 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 9.4 to 14 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 10.5 to 11.5 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0.38 to 0.45 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0.5 to 1.2 |
| Iron (Fe), % | 96.4 to 98.1 | |
| 0 to 0.075 |
| Lead (Pb), % | 0 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.015 to 0.030 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.060 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 0 | |
| 87.1 to 89 |