ACI-ASTM CB7Cu-1 Steel vs. Chromium 33
ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while chromium 33 belongs to the otherwise unclassified metals. They have 54% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CB7Cu-1 steel and the bottom bar is chromium 33.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 5.7 to 11 | |
| 45 |
| Poisson's Ratio | 0.28 | |
| 0.27 |
| Shear Modulus, GPa | 76 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 850 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 320 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 11 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 6.0 |
| Embodied Energy, MJ/kg | 38 | |
| 84 |
| Embodied Water, L/kg | 130 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 320 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1500 to 3590 | |
| 450 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 30 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 25 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 21 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.015 |
| Chromium (Cr), % | 15.5 to 17.7 | |
| 31 to 35 |
| Copper (Cu), % | 2.5 to 3.2 | |
| 0.3 to 1.2 |
| Iron (Fe), % | 72.3 to 78.4 | |
| 25.7 to 37.9 |
| Manganese (Mn), % | 0 to 0.7 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 0.5 to 2.0 |
| Nickel (Ni), % | 3.6 to 4.6 | |
| 30 to 33 |
| Niobium (Nb), % | 0 to 0.35 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0.35 to 0.6 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |