Annealed SAE-AISI M4 vs. Grade 1 Nickel 625
Annealed SAE-AISI M4 belongs to the iron alloys classification, while grade 1 nickel 625 belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is annealed SAE-AISI M4 and the bottom bar is grade 1 nickel 625.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 770 | |
| 910 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 330 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1350 |
| Melting Onset (Solidus), °C | 1560 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 440 |
| Thermal Conductivity, W/m-K | 25 | |
| 11 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 80 |
| Density, g/cm3 | 8.3 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 14 | |
| 14 |
| Embodied Energy, MJ/kg | 210 | |
| 190 |
| Embodied Water, L/kg | 110 | |
| 290 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 26 | |
| 29 |
| Strength to Weight: Bending, points | 23 | |
| 24 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 2.9 |
| Thermal Shock Resistance, points | 24 | |
| 25 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.4 |
| Carbon (C), % | 1.3 to 1.4 | |
| 0 to 0.1 |
| Chromium (Cr), % | 3.8 to 4.8 | |
| 20 to 23 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 75.9 to 81.4 | |
| 0 to 5.0 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 4.3 to 5.5 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 to 0.3 | |
| 58 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.2 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.015 |
| Silicon (Si), % | 0.2 to 0.45 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0 to 0.4 |
| Tungsten (W), % | 5.3 to 6.5 | |
| 0 |
| Vanadium (V), % | 3.8 to 4.5 | |
| 0 |