SAE-AISI 51B60 Steel vs. SAE-AISI 1055 Steel
Both SAE-AISI 51B60 steel and SAE-AISI 1055 steel are iron alloys. They have a very high 99% 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 51B60 steel and the bottom bar is SAE-AISI 1055 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 21 | |
| 11 to 14 |
| Fatigue Strength, MPa | 280 to 340 | |
| 260 to 390 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 390 to 420 | |
| 440 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 660 | |
| 730 to 750 |
| Tensile Strength: Yield (Proof), MPa | 400 to 550 | |
| 400 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 400 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 43 | |
| 51 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 18 |
| Embodied Water, L/kg | 49 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 to 120 | |
| 80 to 85 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 to 800 | |
| 440 to 1070 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 23 | |
| 26 |
| Strength to Weight: Bending, points | 22 | |
| 23 |
| Thermal Diffusivity, mm2/s | 12 | |
| 14 |
| Thermal Shock Resistance, points | 19 | |
| 23 to 24 |
Alloy Composition
| Boron (B), % | 0.00050 to 0.0030 | |
| 0 |
| Carbon (C), % | 0.56 to 0.64 | |
| 0.5 to 0.6 |
| Chromium (Cr), % | 0.7 to 0.9 | |
| 0 |
| Iron (Fe), % | 97 to 97.8 | |
| 98.4 to 98.9 |
| Manganese (Mn), % | 0.75 to 1.0 | |
| 0.6 to 0.9 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.050 |