ACI-ASTM CB30 Steel vs. R60705 Alloy
ACI-ASTM CB30 steel belongs to the iron alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CB30 steel and the bottom bar is R60705 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 98 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 77 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 270 |
| Thermal Conductivity, W/m-K | 21 | |
| 17 |
| Thermal Expansion, µm/m-K | 11 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 6.7 |
| Embodied Water, L/kg | 130 | |
| 450 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 950 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 18 | |
| 22 |
| Strength to Weight: Bending, points | 18 | |
| 22 |
| Thermal Diffusivity, mm2/s | 5.6 | |
| 9.5 |
| Thermal Shock Resistance, points | 17 | |
| 63 |
Alloy Composition
| Carbon (C), % | 0 to 0.3 | |
| 0 to 0.050 |
| Chromium (Cr), % | 18 to 21 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 to 1.2 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 72.9 to 82 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 to 2.0 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.0 to 3.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.025 |
| Oxygen (O), % | 0 | |
| 0 to 0.18 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 91 to 98 |