ASTM A302 Alloy Steel vs. ACI-ASTM CB7Cu-1 Steel
Both ASTM A302 alloy steel and ACI-ASTM CB7Cu-1 steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is ACI-ASTM CB7Cu-1 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 190 | |
| 300 to 420 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 23 | |
| 5.7 to 11 |
| Fatigue Strength, MPa | 250 to 280 | |
| 420 to 590 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 960 to 1350 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 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 | 39 to 51 | |
| 17 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 to 7.4 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 to 8.4 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 13 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 38 |
| Embodied Water, L/kg | 48 to 50 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 71 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 1500 to 3590 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 34 to 48 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 28 to 35 |
| Thermal Diffusivity, mm2/s | 10 to 14 | |
| 4.6 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 32 to 45 |