SAE-AISI 1330 Steel vs. SAE-AISI 1144 Steel
Both SAE-AISI 1330 steel and SAE-AISI 1144 steel are iron alloys. Their average alloy composition is basically identical. 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 1330 steel and the bottom bar is SAE-AISI 1144 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 210 | |
| 220 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 23 | |
| 11 to 17 |
| Fatigue Strength, MPa | 210 to 380 | |
| 280 to 430 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 330 to 430 | |
| 460 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 710 | |
| 750 to 840 |
| Tensile Strength: Yield (Proof), MPa | 290 to 610 | |
| 420 to 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1410 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 1.9 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 19 |
| Embodied Water, L/kg | 48 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 76 to 100 | |
| 91 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 990 | |
| 480 to 1290 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 25 | |
| 27 to 30 |
| Strength to Weight: Bending, points | 18 to 23 | |
| 23 to 25 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 17 to 23 | |
| 22 to 24 |
Alloy Composition
| Carbon (C), % | 0.28 to 0.33 | |
| 0.4 to 0.48 |
| Iron (Fe), % | 97.3 to 98 | |
| 97.5 to 98 |
| Manganese (Mn), % | 1.6 to 1.9 | |
| 1.4 to 1.7 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0.24 to 0.33 |