ACI-ASTM CB30 Steel vs. AISI 301 Stainless Steel
Both ACI-ASTM CB30 steel and AISI 301 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CB30 steel and the bottom bar is AISI 301 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 | |
| 190 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 590 to 1460 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 230 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 420 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 840 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1420 |
| Melting Onset (Solidus), °C | 1380 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 21 | |
| 16 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 13 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 2.7 |
| Embodied Energy, MJ/kg | 33 | |
| 39 |
| Embodied Water, L/kg | 130 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 18 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 130 to 2970 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 18 | |
| 21 to 52 |
| Strength to Weight: Bending, points | 18 | |
| 20 to 37 |
| Thermal Diffusivity, mm2/s | 5.6 | |
| 4.2 |
| Thermal Shock Resistance, points | 17 | |
| 12 to 31 |
Alloy Composition
| Carbon (C), % | 0 to 0.3 | |
| 0 to 0.15 |
| Chromium (Cr), % | 18 to 21 | |
| 16 to 18 |
| Copper (Cu), % | 0 to 1.2 | |
| 0 |
| Iron (Fe), % | 72.9 to 82 | |
| 70.7 to 78 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 to 2.0 | |
| 6.0 to 8.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.030 |