Grade 300 Maraging Steel vs. ZA-8
Grade 300 maraging steel belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is ZA-8.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 730 to 1880 | |
| 210 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 85 to 86 |
| Elongation at Break, % | 6.5 to 18 | |
| 1.3 to 8.0 |
| Poisson's Ratio | 0.3 | |
| 0.26 |
| Shear Modulus, GPa | 75 | |
| 34 |
| Shear Strength, MPa | 640 to 1190 | |
| 240 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 1030 to 2030 | |
| 210 to 370 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1990 | |
| 210 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 110 |
| Melting Completion (Liquidus), °C | 1480 | |
| 400 |
| Melting Onset (Solidus), °C | 1430 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 440 |
| Thermal Expansion, µm/m-K | 12 | |
| 23 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 11 |
| Density, g/cm3 | 8.2 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 3.3 |
| Embodied Energy, MJ/kg | 68 | |
| 62 |
| Embodied Water, L/kg | 150 | |
| 420 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 2.8 to 28 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 35 to 68 | |
| 9.3 to 17 |
| Strength to Weight: Bending, points | 28 to 43 | |
| 12 to 18 |
| Thermal Shock Resistance, points | 31 to 62 | |
| 7.6 to 13 |
Alloy Composition
| Aluminum (Al), % | 0.050 to 0.15 | |
| 8.0 to 8.8 |
| Boron (B), % | 0 to 0.0030 | |
| 0 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Calcium (Ca), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Cobalt (Co), % | 8.5 to 9.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0.8 to 1.3 |
| Iron (Fe), % | 65 to 68.4 | |
| 0 to 0.075 |
| Lead (Pb), % | 0 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.015 to 0.030 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 0 |
| Nickel (Ni), % | 18 to 19 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.045 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Titanium (Ti), % | 0.5 to 0.8 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 89.7 to 91.2 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |