ACI-ASTM CB7Cu-1 Steel vs. EN 1.1170 Steel
Both ACI-ASTM CB7Cu-1 steel and EN 1.1170 steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 EN 1.1170 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 300 to 420 | |
| 180 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 5.7 to 11 | |
| 16 to 17 |
| Fatigue Strength, MPa | 420 to 590 | |
| 220 to 330 |
| Impact Strength: V-Notched Charpy, J | 34 | |
| 28 to 35 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 640 to 730 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
| 330 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1500 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 17 | |
| 50 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 2.1 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.5 |
| Embodied Energy, MJ/kg | 38 | |
| 19 |
| Embodied Water, L/kg | 130 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 91 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1500 to 3590 | |
| 290 to 670 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 23 to 26 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 21 to 23 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 13 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 20 to 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0.25 to 0.32 |
| Chromium (Cr), % | 15.5 to 17.7 | |
| 0 to 0.4 |
| Copper (Cu), % | 2.5 to 3.2 | |
| 0 |
| Iron (Fe), % | 72.3 to 78.4 | |
| 96.7 to 98.5 |
| Manganese (Mn), % | 0 to 0.7 | |
| 1.3 to 1.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 3.6 to 4.6 | |
| 0 to 0.4 |
| Niobium (Nb), % | 0 to 0.35 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.035 |