Grade 250 Maraging Steel vs. ZA-27
Grade 250 maraging steel belongs to the iron alloys classification, while ZA-27 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 250 maraging steel and the bottom bar is ZA-27.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 730 to 1660 | |
| 260 to 370 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 78 |
| Elongation at Break, % | 7.3 to 17 | |
| 2.0 to 4.5 |
| Poisson's Ratio | 0.3 | |
| 0.27 |
| Shear Modulus, GPa | 75 | |
| 31 |
| Shear Strength, MPa | 600 to 1060 | |
| 230 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1800 | |
| 400 to 430 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1740 | |
| 260 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 130 |
| Melting Completion (Liquidus), °C | 1480 | |
| 480 |
| Melting Onset (Solidus), °C | 1430 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 530 |
| Thermal Expansion, µm/m-K | 12 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 11 |
| Density, g/cm3 | 8.2 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 4.9 | |
| 4.2 |
| Embodied Energy, MJ/kg | 65 | |
| 80 |
| Embodied Water, L/kg | 140 | |
| 570 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 150 | |
| 8.1 to 18 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 23 | |
| 28 |
| Strength to Weight: Axial, points | 33 to 61 | |
| 22 to 24 |
| Strength to Weight: Bending, points | 26 to 40 | |
| 24 to 25 |
| Thermal Shock Resistance, points | 29 to 54 | |
| 14 to 15 |
Alloy Composition
| Aluminum (Al), % | 0.050 to 0.15 | |
| 25 to 28 |
| 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), % | 7.0 to 8.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 2.0 to 2.5 |
| Iron (Fe), % | 66.3 to 71.1 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.010 to 0.020 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 0 |
| Nickel (Ni), % | 17 to 19 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.080 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Titanium (Ti), % | 0.3 to 0.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 69.3 to 73 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |