AISI 384 Stainless Steel vs. ACI-ASTM CC50 Steel
Both AISI 384 stainless steel and ACI-ASTM CC50 steel are iron alloys. They have 84% of their average alloy composition in common.
For each property being compared, the top bar is AISI 384 stainless steel and the bottom bar is ACI-ASTM CC50 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Poisson's Ratio | 0.28 | |
| 0.27 |
| Shear Modulus, GPa | 76 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 480 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 300 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 460 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1420 |
| Melting Onset (Solidus), °C | 1380 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 490 |
| Thermal Conductivity, W/m-K | 16 | |
| 17 |
| Thermal Expansion, µm/m-K | 16 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 20 | |
| 14 |
| Density, g/cm3 | 7.9 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 3.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 52 | |
| 39 |
| Embodied Water, L/kg | 150 | |
| 170 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 28 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 24 | |
| 26 |
| Strength to Weight: Axial, points | 17 | |
| 16 |
| Strength to Weight: Bending, points | 17 | |
| 17 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 4.5 |
| Thermal Shock Resistance, points | 11 | |
| 14 |
Alloy Composition
| Carbon (C), % | 0 to 0.040 | |
| 0 to 0.5 |
| Chromium (Cr), % | 15 to 17 | |
| 26 to 30 |
| Iron (Fe), % | 60.9 to 68 | |
| 62.9 to 74 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 17 to 19 | |
| 0 to 4.0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.040 |