ACI-ASTM CB7Cu-1 Steel vs. S15500 Stainless Steel
Both ACI-ASTM CB7Cu-1 steel and S15500 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 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 CB7Cu-1 steel and the bottom bar is S15500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 300 to 420 | |
| 290 to 430 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 5.7 to 11 | |
| 6.8 to 16 |
| Fatigue Strength, MPa | 420 to 590 | |
| 350 to 650 |
| Impact Strength: V-Notched Charpy, J | 34 | |
| 7.8 to 53 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 890 to 1490 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
| 590 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1430 |
| Melting Onset (Solidus), °C | 1500 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 17 | |
| 17 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 13 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 38 | |
| 39 |
| Embodied Water, L/kg | 130 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 17 | |
| 15 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 98 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1500 to 3590 | |
| 890 to 4460 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 32 to 53 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 26 to 37 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 4.6 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 30 to 50 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.070 |
| Chromium (Cr), % | 15.5 to 17.7 | |
| 14 to 15.5 |
| Copper (Cu), % | 2.5 to 3.2 | |
| 2.5 to 4.5 |
| Iron (Fe), % | 72.3 to 78.4 | |
| 71.9 to 79.9 |
| Manganese (Mn), % | 0 to 0.7 | |
| 0 to 1.0 |
| Nickel (Ni), % | 3.6 to 4.6 | |
| 3.5 to 5.5 |
| Niobium (Nb), % | 0 to 0.35 | |
| 0.15 to 0.45 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |