ACI-ASTM CB30 Steel vs. S45503 Stainless Steel
Both ACI-ASTM CB30 steel and S45503 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CB30 steel and the bottom bar is S45503 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 | |
| 410 to 500 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 1610 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 1430 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 270 |
| Maximum Temperature: Corrosion, °C | 420 | |
| 640 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 760 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1440 |
| Melting Onset (Solidus), °C | 1380 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 15 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 3.4 |
| Embodied Energy, MJ/kg | 33 | |
| 48 |
| Embodied Water, L/kg | 130 | |
| 120 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 13 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 18 | |
| 57 to 65 |
| Strength to Weight: Bending, points | 18 | |
| 39 to 43 |
| Thermal Shock Resistance, points | 17 | |
| 56 to 64 |
Alloy Composition
| Carbon (C), % | 0 to 0.3 | |
| 0 to 0.010 |
| Chromium (Cr), % | 18 to 21 | |
| 11 to 12.5 |
| Copper (Cu), % | 0 to 1.2 | |
| 1.5 to 2.5 |
| Iron (Fe), % | 72.9 to 82 | |
| 72.4 to 78.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 2.0 | |
| 7.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 1.0 to 1.4 |