SAE-AISI 1023 Steel vs. ACI-ASTM CT15C Steel
Both SAE-AISI 1023 steel and ACI-ASTM CT15C steel are iron alloys. They have 45% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1023 steel and the bottom bar is ACI-ASTM CT15C steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 to 140 | |
| 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 17 to 29 | |
| 23 |
| Fatigue Strength, MPa | 180 to 270 | |
| 130 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 480 | |
| 500 |
| Tensile Strength: Yield (Proof), MPa | 240 to 410 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 1080 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1410 |
| Melting Onset (Solidus), °C | 1420 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 53 | |
| 12 |
| Thermal Expansion, µm/m-K | 12 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.9 | |
| 1.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 1.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 36 |
| Density, g/cm3 | 7.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 6.1 |
| Embodied Energy, MJ/kg | 18 | |
| 88 |
| Embodied Water, L/kg | 45 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 77 to 100 | |
| 90 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 450 | |
| 93 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 17 | |
| 17 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 17 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.2 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 12 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.25 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Iron (Fe), % | 99.06 to 99.5 | |
| 40.3 to 49.2 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.15 to 1.5 |
| Nickel (Ni), % | 0 | |
| 31 to 34 |
| Niobium (Nb), % | 0 | |
| 0.5 to 1.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0.15 to 1.5 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.030 |