SAE-AISI T8 Steel vs. AWS ER80S-Ni1
Both SAE-AISI T8 steel and AWS ER80S-Ni1 are iron alloys. They have 74% of their average alloy composition in common. There are 21 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 SAE-AISI T8 steel and the bottom bar is AWS ER80S-Ni1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 2140 | |
| 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 260 |
| Melting Completion (Liquidus), °C | 1730 | |
| 1450 |
| Melting Onset (Solidus), °C | 1670 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 470 |
| Thermal Conductivity, W/m-K | 18 | |
| 41 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 45 | |
| 2.7 |
| Density, g/cm3 | 9.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 1.6 |
| Embodied Energy, MJ/kg | 160 | |
| 21 |
| Embodied Water, L/kg | 120 | |
| 49 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 22 | |
| 24 |
| Strength to Weight: Axial, points | 24 to 66 | |
| 22 |
| Strength to Weight: Bending, points | 21 to 41 | |
| 21 |
| Thermal Diffusivity, mm2/s | 4.8 | |
| 11 |
| Thermal Shock Resistance, points | 24 to 66 | |
| 19 |
Alloy Composition
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| Carbon (C), % | 0.75 to 0.85 | |
| 0 to 0.12 |
| Chromium (Cr), % | 3.8 to 4.5 | |
| 0 to 0.15 |
| Cobalt (Co), % | 4.3 to 5.8 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.35 |
| Iron (Fe), % | 69.3 to 75.4 | |
| 95.3 to 98.8 |
| Manganese (Mn), % | 0.2 to 0.4 | |
| 0 to 1.3 |
| Molybdenum (Mo), % | 0.4 to 1.0 | |
| 0 to 0.35 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0.8 to 1.1 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.2 to 0.4 | |
| 0.4 to 0.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |
| Tungsten (W), % | 13.3 to 14.8 | |
| 0 |
| Vanadium (V), % | 1.8 to 2.4 | |
| 0 to 0.050 |
| Residuals, % | 0 | |
| 0 to 0.5 |