SAE-AISI 1118 Steel vs. SAE-AISI 4023 Steel
Both SAE-AISI 1118 steel and SAE-AISI 4023 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is SAE-AISI 1118 steel and the bottom bar is SAE-AISI 4023 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 140 | |
130 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 13 | |
23 |
Fatigue Strength, MPa | 260 | |
170 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 300 | |
280 |
Tensile Strength: Ultimate (UTS), MPa | 490 | |
440 |
Tensile Strength: Yield (Proof), MPa | 410 | |
230 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
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 | 52 | |
51 |
Thermal Expansion, µm/m-K | 12 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
7.1 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
8.1 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
2.1 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.5 |
Embodied Energy, MJ/kg | 19 | |
19 |
Embodied Water, L/kg | 47 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 61 | |
86 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 450 | |
140 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 17 | |
16 |
Strength to Weight: Bending, points | 18 | |
16 |
Thermal Diffusivity, mm2/s | 14 | |
14 |
Thermal Shock Resistance, points | 15 | |
14 |
Alloy Composition
Carbon (C), % | 0.14 to 0.2 | |
0.2 to 0.25 |
Iron (Fe), % | 98 to 98.5 | |
98.1 to 98.8 |
Manganese (Mn), % | 1.3 to 1.6 | |
0.7 to 0.9 |
Molybdenum (Mo), % | 0 | |
0.2 to 0.3 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.035 |
Silicon (Si), % | 0 | |
0.15 to 0.35 |
Sulfur (S), % | 0.080 to 0.13 | |
0 to 0.040 |