Monel R-405 vs. ASTM A387 Grade 12 Steel
Monel R-405 belongs to the nickel alloys classification, while ASTM A387 grade 12 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is Monel R-405 and the bottom bar is ASTM A387 grade 12 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 190 |
| Elongation at Break, % | 9.1 to 39 | |
| 25 |
| Fatigue Strength, MPa | 210 to 250 | |
| 190 to 230 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 62 | |
| 73 |
| Shear Strength, MPa | 350 to 370 | |
| 300 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 630 | |
| 470 to 520 |
| Tensile Strength: Yield (Proof), MPa | 190 to 350 | |
| 260 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 430 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1470 |
| Melting Onset (Solidus), °C | 1300 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 470 |
| Thermal Conductivity, W/m-K | 23 | |
| 44 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.4 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 2.8 |
| Density, g/cm3 | 8.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 1.6 |
| Embodied Energy, MJ/kg | 110 | |
| 21 |
| Embodied Water, L/kg | 250 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 170 | |
| 98 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 370 | |
| 180 to 250 |
| Stiffness to Weight: Axial, points | 10 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 |
| Strength to Weight: Axial, points | 17 to 20 | |
| 16 to 18 |
| Strength to Weight: Bending, points | 17 to 18 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 5.9 | |
| 12 |
| Thermal Shock Resistance, points | 17 to 20 | |
| 14 to 15 |
Alloy Composition
| Carbon (C), % | 0 to 0.3 | |
| 0.050 to 0.17 |
| Chromium (Cr), % | 0 | |
| 0.8 to 1.2 |
| Copper (Cu), % | 28 to 34 | |
| 0 |
| Iron (Fe), % | 0 to 2.5 | |
| 97 to 98.2 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.4 to 0.65 |
| Molybdenum (Mo), % | 0 | |
| 0.45 to 0.6 |
| Nickel (Ni), % | 63 to 72 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.5 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0.025 to 0.060 | |
| 0 to 0.025 |