SAE-AISI 1019 Steel vs. S21800 Stainless Steel
Both SAE-AISI 1019 steel and S21800 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 28 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 1019 steel and the bottom bar is S21800 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 to 140 | |
| 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 17 to 29 | |
| 40 |
| Fatigue Strength, MPa | 190 to 290 | |
| 330 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Reduction in Area, % | 46 to 56 | |
| 62 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Shear Strength, MPa | 300 to 320 | |
| 510 |
| Tensile Strength: Ultimate (UTS), MPa | 470 to 520 | |
| 740 |
| Tensile Strength: Yield (Proof), MPa | 250 to 430 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 900 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1360 |
| Melting Onset (Solidus), °C | 1420 | |
| 1310 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 500 |
| Thermal Expansion, µm/m-K | 12 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 15 |
| Density, g/cm3 | 7.9 | |
| 7.5 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 3.1 |
| Embodied Energy, MJ/kg | 18 | |
| 45 |
| Embodied Water, L/kg | 46 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 to 110 | |
| 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 500 | |
| 390 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 26 |
| Strength to Weight: Axial, points | 17 to 18 | |
| 27 |
| Strength to Weight: Bending, points | 17 to 18 | |
| 24 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 17 |
Alloy Composition
| Carbon (C), % | 0.15 to 0.2 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 16 to 18 |
| Iron (Fe), % | 98.7 to 99.15 | |
| 59.1 to 65.4 |
| Manganese (Mn), % | 0.7 to 1.0 | |
| 7.0 to 9.0 |
| Nickel (Ni), % | 0 | |
| 8.0 to 9.0 |
| Nitrogen (N), % | 0 | |
| 0.080 to 0.18 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 | |
| 3.5 to 4.5 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.030 |