SAE-AISI 1108 Steel vs. SAE-AISI 52100 Steel
Both SAE-AISI 1108 steel and SAE-AISI 52100 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1108 steel and the bottom bar is SAE-AISI 52100 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 140 | |
| 180 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 23 to 34 | |
| 10 to 20 |
| Fatigue Strength, MPa | 170 to 260 | |
| 250 to 340 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 250 to 280 | |
| 370 to 420 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 440 | |
| 590 to 2010 |
| Tensile Strength: Yield (Proof), MPa | 220 to 360 | |
| 360 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 430 |
| 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 | 52 | |
| 47 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 to 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 2.4 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.5 |
| Embodied Energy, MJ/kg | 18 | |
| 20 |
| Embodied Water, L/kg | 46 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 to 110 | |
| 54 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 340 | |
| 350 to 840 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 16 | |
| 21 to 72 |
| Strength to Weight: Bending, points | 15 to 16 | |
| 20 to 45 |
| Thermal Diffusivity, mm2/s | 14 | |
| 13 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 19 to 61 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.13 | |
| 0.93 to 1.1 |
| Chromium (Cr), % | 0 | |
| 1.4 to 1.6 |
| Iron (Fe), % | 98.9 to 99.24 | |
| 96.5 to 97.3 |
| Manganese (Mn), % | 0.6 to 0.8 | |
| 0.25 to 0.45 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 to 0.015 |