SAE-AISI 4130 Steel vs. SAE-AISI 1026 Steel
Both SAE-AISI 4130 steel and SAE-AISI 1026 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 4130 steel and the bottom bar is SAE-AISI 1026 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 300 | |
| 140 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 13 to 26 | |
| 17 to 27 |
| Fatigue Strength, MPa | 320 to 660 | |
| 200 to 310 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 340 to 640 | |
| 320 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 530 to 1040 | |
| 500 to 550 |
| Tensile Strength: Yield (Proof), MPa | 440 to 980 | |
| 270 to 470 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 43 | |
| 52 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.4 |
| Embodied Energy, MJ/kg | 20 | |
| 18 |
| Embodied Water, L/kg | 50 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 180 | |
| 89 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 2550 | |
| 200 to 580 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 37 | |
| 18 to 20 |
| Strength to Weight: Bending, points | 19 to 29 | |
| 18 to 19 |
| Thermal Diffusivity, mm2/s | 12 | |
| 14 |
| Thermal Shock Resistance, points | 16 to 31 | |
| 16 to 18 |
Alloy Composition
| Carbon (C), % | 0.28 to 0.33 | |
| 0.22 to 0.28 |
| Chromium (Cr), % | 0.8 to 1.1 | |
| 0 |
| Iron (Fe), % | 97.3 to 98.2 | |
| 98.7 to 99.18 |
| Manganese (Mn), % | 0.4 to 0.6 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 0 |
| 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 |