ACI-ASTM CB30 Steel vs. AWS E90C-B9
Both ACI-ASTM CB30 steel and AWS E90C-B9 are iron alloys. They have 88% of their average alloy composition in common. There are 26 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 AWS E90C-B9.
Metric UnitsUS Customary Units
Mechanical Properties
| 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 | |
| 710 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 270 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 25 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 6.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 7.0 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 2.6 |
| Embodied Energy, MJ/kg | 33 | |
| 37 |
| Embodied Water, L/kg | 130 | |
| 91 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 13 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 550 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 18 | |
| 25 |
| Strength to Weight: Bending, points | 18 | |
| 23 |
| Thermal Diffusivity, mm2/s | 5.6 | |
| 6.9 |
| Thermal Shock Resistance, points | 17 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.040 |
| Carbon (C), % | 0 to 0.3 | |
| 0.080 to 0.13 |
| Chromium (Cr), % | 18 to 21 | |
| 8.0 to 10.5 |
| Copper (Cu), % | 0 to 1.2 | |
| 0 to 0.2 |
| Iron (Fe), % | 72.9 to 82 | |
| 84.4 to 90.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.2 |
| Molybdenum (Mo), % | 0 | |
| 0.85 to 1.2 |
| Nickel (Ni), % | 0 to 2.0 | |
| 0 to 0.8 |
| Niobium (Nb), % | 0 | |
| 0.020 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0.030 to 0.070 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.015 |
| Vanadium (V), % | 0 | |
| 0.15 to 0.3 |
| Residuals, % | 0 | |
| 0 to 0.5 |