SAE-AISI 1015 Steel vs. SAE-AISI 1137 Steel
Both SAE-AISI 1015 steel and SAE-AISI 1137 steel are iron alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is SAE-AISI 1015 steel and the bottom bar is SAE-AISI 1137 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 | |
| 200 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 32 | |
| 11 to 17 |
| Fatigue Strength, MPa | 170 to 250 | |
| 250 to 400 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 46 to 56 | |
| 34 to 39 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 260 to 270 | |
| 430 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 390 to 440 | |
| 700 to 760 |
| Tensile Strength: Yield (Proof), MPa | 210 to 370 | |
| 370 to 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 52 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.9 | |
| 10 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.9 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.9 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 19 |
| Embodied Water, L/kg | 45 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 110 | |
| 81 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 360 | |
| 360 to 1130 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 14 to 15 | |
| 25 to 27 |
| Strength to Weight: Bending, points | 15 to 16 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 21 to 23 |
Alloy Composition
| Carbon (C), % | 0.13 to 0.18 | |
| 0.32 to 0.39 |
| Iron (Fe), % | 99.13 to 99.57 | |
| 97.8 to 98.3 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 1.4 to 1.7 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 to 0.050 | |
| 0.080 to 0.13 |