ASTM A225 Steel vs. Monel R-405
ASTM A225 steel belongs to the iron alloys classification, while Monel R-405 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is ASTM A225 steel and the bottom bar is Monel R-405.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 160 |
| Elongation at Break, % | 21 to 23 | |
| 9.1 to 39 |
| Fatigue Strength, MPa | 330 to 390 | |
| 210 to 250 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 62 |
| Shear Strength, MPa | 390 to 520 | |
| 350 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 830 | |
| 540 to 630 |
| Tensile Strength: Yield (Proof), MPa | 460 to 550 | |
| 190 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 900 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1350 |
| Melting Onset (Solidus), °C | 1420 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 430 |
| Thermal Conductivity, W/m-K | 52 | |
| 23 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 50 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 7.9 |
| Embodied Energy, MJ/kg | 24 to 25 | |
| 110 |
| Embodied Water, L/kg | 48 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 170 | |
| 49 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 580 to 820 | |
| 120 to 370 |
| Stiffness to Weight: Axial, points | 13 | |
| 10 |
| Stiffness to Weight: Bending, points | 24 | |
| 21 |
| Strength to Weight: Axial, points | 22 to 29 | |
| 17 to 20 |
| Strength to Weight: Bending, points | 21 to 25 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 14 | |
| 5.9 |
| Thermal Shock Resistance, points | 18 to 24 | |
| 17 to 20 |