Nickel 200 vs. ASTM A387 Grade 21 Steel
Nickel 200 belongs to the nickel alloys classification, while ASTM A387 grade 21 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is nickel 200 and the bottom bar is ASTM A387 grade 21 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 23 to 44 | |
| 21 |
| Fatigue Strength, MPa | 120 to 350 | |
| 160 to 250 |
| Poisson's Ratio | 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 70 | |
| 74 |
| Shear Strength, MPa | 300 to 340 | |
| 310 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 540 | |
| 500 to 590 |
| Tensile Strength: Yield (Proof), MPa | 120 to 370 | |
| 230 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 480 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1470 |
| Melting Onset (Solidus), °C | 1440 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 470 |
| Thermal Conductivity, W/m-K | 69 | |
| 41 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 18 | |
| 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 65 | |
| 4.1 |
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 11 | |
| 1.8 |
| Embodied Energy, MJ/kg | 150 | |
| 23 |
| Embodied Water, L/kg | 230 | |
| 62 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 150 | |
| 84 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 42 to 370 | |
| 140 to 320 |
| Stiffness to Weight: Axial, points | 11 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 17 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 17 | |
| 11 |
| Thermal Shock Resistance, points | 13 to 16 | |
| 14 to 17 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 | |
| 2.8 to 3.3 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 94.4 to 96 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 99 to 100 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.025 |