SAE-AISI 1055 Steel vs. S13800 Stainless Steel
Both SAE-AISI 1055 steel and S13800 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1055 steel and the bottom bar is S13800 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 | |
| 290 to 480 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 14 | |
| 11 to 18 |
| Fatigue Strength, MPa | 260 to 390 | |
| 410 to 870 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Reduction in Area, % | 34 to 45 | |
| 39 to 62 |
| Shear Modulus, GPa | 72 | |
| 77 |
| Shear Strength, MPa | 440 to 450 | |
| 610 to 1030 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 750 | |
| 980 to 1730 |
| Tensile Strength: Yield (Proof), MPa | 400 to 630 | |
| 660 to 1580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 810 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 16 |
| Thermal Expansion, µm/m-K | 12 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 15 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 3.4 |
| Embodied Energy, MJ/kg | 18 | |
| 46 |
| Embodied Water, L/kg | 46 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 to 85 | |
| 150 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 to 1070 | |
| 1090 to 5490 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 26 | |
| 35 to 61 |
| Strength to Weight: Bending, points | 23 | |
| 28 to 41 |
| Thermal Diffusivity, mm2/s | 14 | |
| 4.3 |
| Thermal Shock Resistance, points | 23 to 24 | |
| 33 to 58 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.9 to 1.4 |
| Carbon (C), % | 0.5 to 0.6 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 12.3 to 13.2 |
| Iron (Fe), % | 98.4 to 98.9 | |
| 73.6 to 77.3 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 to 0.2 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 0 | |
| 7.5 to 8.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.0080 |