SAE-AISI 1039 Steel vs. ZA-8
SAE-AISI 1039 steel belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1039 steel and the bottom bar is ZA-8.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 200 | |
| 87 to 100 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 85 to 86 |
| Elongation at Break, % | 14 to 18 | |
| 1.3 to 8.0 |
| Fatigue Strength, MPa | 230 to 370 | |
| 51 to 100 |
| Poisson's Ratio | 0.29 | |
| 0.26 |
| Shear Modulus, GPa | 73 | |
| 34 |
| Shear Strength, MPa | 380 to 420 | |
| 240 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 610 to 690 | |
| 210 to 370 |
| Tensile Strength: Yield (Proof), MPa | 340 to 580 | |
| 210 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 110 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 100 |
| Melting Completion (Liquidus), °C | 1460 | |
| 400 |
| Melting Onset (Solidus), °C | 1420 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 440 |
| Thermal Conductivity, W/m-K | 51 | |
| 120 |
| Thermal Expansion, µm/m-K | 12 | |
| 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 | 1.8 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 3.3 |
| Embodied Energy, MJ/kg | 18 | |
| 62 |
| Embodied Water, L/kg | 46 | |
| 420 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 94 | |
| 2.8 to 28 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 890 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 22 to 24 | |
| 9.3 to 17 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 12 to 18 |
| Thermal Diffusivity, mm2/s | 14 | |
| 42 |
| Thermal Shock Resistance, points | 19 to 22 | |
| 7.6 to 13 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 8.0 to 8.8 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0.37 to 0.44 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0.8 to 1.3 |
| Iron (Fe), % | 98.5 to 98.9 | |
| 0 to 0.075 |
| Lead (Pb), % | 0 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.015 to 0.030 |
| Manganese (Mn), % | 0.7 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.045 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 0 | |
| 89.7 to 91.2 |