EN 1.6554 Steel vs. ACI-ASTM CB7Cu-1 Steel
Both EN 1.6554 steel and ACI-ASTM CB7Cu-1 steel are iron alloys. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is ACI-ASTM CB7Cu-1 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 280 | |
| 300 to 420 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 17 to 21 | |
| 5.7 to 11 |
| Fatigue Strength, MPa | 380 to 520 | |
| 420 to 590 |
| Impact Strength: V-Notched Charpy, J | 30 to 45 | |
| 34 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 930 | |
| 960 to 1350 |
| Tensile Strength: Yield (Proof), MPa | 550 to 790 | |
| 760 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1430 |
| Melting Onset (Solidus), °C | 1420 | |
| 1500 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 40 | |
| 17 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.4 | |
| 13 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 22 | |
| 38 |
| Embodied Water, L/kg | 53 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 71 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1650 | |
| 1500 to 3590 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 33 | |
| 34 to 48 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 28 to 35 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.6 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 32 to 45 |
Alloy Composition
| Carbon (C), % | 0.23 to 0.28 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0.7 to 0.9 | |
| 15.5 to 17.7 |
| Copper (Cu), % | 0 to 0.3 | |
| 2.5 to 3.2 |
| Iron (Fe), % | 94.6 to 97.3 | |
| 72.3 to 78.4 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 to 0.7 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 |
| Nickel (Ni), % | 1.0 to 2.0 | |
| 3.6 to 4.6 |
| Niobium (Nb), % | 0 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 to 0.030 | |
| 0 |