EN 1.7221 Steel vs. ZA-27
EN 1.7221 steel belongs to the iron alloys classification, while ZA-27 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 1.7221 steel and the bottom bar is ZA-27.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 230 | |
| 100 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 78 |
| Elongation at Break, % | 11 to 17 | |
| 2.0 to 4.5 |
| Fatigue Strength, MPa | 290 to 390 | |
| 110 to 170 |
| Poisson's Ratio | 0.29 | |
| 0.27 |
| Shear Modulus, GPa | 73 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 780 | |
| 400 to 430 |
| Tensile Strength: Yield (Proof), MPa | 430 to 630 | |
| 260 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 130 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 120 |
| Melting Completion (Liquidus), °C | 1460 | |
| 480 |
| Melting Onset (Solidus), °C | 1420 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 530 |
| Thermal Conductivity, W/m-K | 44 | |
| 130 |
| Thermal Expansion, µm/m-K | 13 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 53 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 4.2 |
| Embodied Energy, MJ/kg | 20 | |
| 80 |
| Embodied Water, L/kg | 51 | |
| 570 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 98 | |
| 8.1 to 18 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 490 to 1050 | |
| 420 to 890 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 24 | |
| 28 |
| Strength to Weight: Axial, points | 23 to 27 | |
| 22 to 24 |
| Strength to Weight: Bending, points | 21 to 24 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 12 | |
| 47 |
| Thermal Shock Resistance, points | 19 to 23 | |
| 14 to 15 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 25 to 28 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0.22 to 0.29 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 2.0 to 2.5 |
| Iron (Fe), % | 96.8 to 98.3 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.010 to 0.020 |
| Manganese (Mn), % | 0.5 to 0.8 | |
| 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 0.080 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 0 | |
| 69.3 to 73 |