Nickel 625 vs. ASTM A225 Steel
Nickel 625 belongs to the nickel alloys classification, while ASTM A225 steel belongs to the iron 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 nickel 625 and the bottom bar is ASTM A225 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 33 to 34 | |
| 21 to 23 |
| Fatigue Strength, MPa | 240 to 320 | |
| 330 to 390 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Shear Strength, MPa | 530 to 600 | |
| 390 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 910 | |
| 620 to 830 |
| Tensile Strength: Yield (Proof), MPa | 320 to 450 | |
| 460 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 400 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1460 |
| Melting Onset (Solidus), °C | 1290 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 470 |
| Thermal Conductivity, W/m-K | 11 | |
| 52 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.4 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 2.3 |
| Density, g/cm3 | 8.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 14 | |
| 1.8 |
| Embodied Energy, MJ/kg | 190 | |
| 24 to 25 |
| Embodied Water, L/kg | 290 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 to 250 | |
| 120 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 580 to 820 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 22 to 29 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 21 to 25 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 14 |
| Thermal Shock Resistance, points | 22 to 25 | |
| 18 to 24 |