AISI 303 Stainless Steel vs. AWS ER80S-Ni3
Both AISI 303 stainless steel and AWS ER80S-Ni3 are iron alloys. They have 76% 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 AISI 303 stainless steel and the bottom bar is AWS ER80S-Ni3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 40 to 51 | |
| 27 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 690 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 230 to 420 | |
| 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 260 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1450 |
| Melting Onset (Solidus), °C | 1400 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 16 | |
| 51 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 4.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 1.7 |
| Embodied Energy, MJ/kg | 42 | |
| 23 |
| Embodied Water, L/kg | 140 | |
| 52 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 240 | |
| 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 440 | |
| 740 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 22 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 21 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 14 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 19 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.12 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.35 |
| Iron (Fe), % | 67.3 to 74.9 | |
| 93.2 to 96.6 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.3 |
| Nickel (Ni), % | 8.0 to 10 | |
| 3.0 to 3.8 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.4 to 0.8 |
| Sulfur (S), % | 0.15 to 0.35 | |
| 0 to 0.025 |
| Residuals, % | 0 | |
| 0 to 0.5 |