AWS E70C-Ni2 vs. AISI 431 Stainless Steel
Both AWS E70C-Ni2 and AISI 431 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AWS E70C-Ni2 and the bottom bar is AISI 431 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 27 | |
| 15 to 17 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 72 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 560 | |
| 890 to 1380 |
| Tensile Strength: Yield (Proof), MPa | 450 | |
| 710 to 1040 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1510 |
| Melting Onset (Solidus), °C | 1410 | |
| 1450 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 52 | |
| 26 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
| 2.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 3.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.3 | |
| 9.0 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 2.2 |
| Embodied Energy, MJ/kg | 22 | |
| 31 |
| Embodied Water, L/kg | 51 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 | |
| 140 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 540 | |
| 1270 to 2770 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 20 | |
| 32 to 50 |
| Strength to Weight: Bending, points | 19 | |
| 27 to 36 |
| Thermal Diffusivity, mm2/s | 14 | |
| 7.0 |
| Thermal Shock Resistance, points | 17 | |
| 28 to 43 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0 | |
| 15 to 17 |
| Copper (Cu), % | 0 to 0.35 | |
| 0 |
| Iron (Fe), % | 94.1 to 98.3 | |
| 78.2 to 83.8 |
| Manganese (Mn), % | 0 to 1.3 | |
| 0 to 1.0 |
| Nickel (Ni), % | 1.8 to 2.8 | |
| 1.3 to 2.5 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.9 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 to 0.030 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |