S45503 Stainless Steel vs. ACI-ASTM CB7Cu-2 Steel
Both S45503 stainless steel and ACI-ASTM CB7Cu-2 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is S45503 stainless steel and the bottom bar is ACI-ASTM CB7Cu-2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 410 to 500 | |
| 300 to 420 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 4.6 to 6.8 | |
| 5.7 to 11 |
| Fatigue Strength, MPa | 710 to 800 | |
| 420 to 590 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 1610 to 1850 | |
| 960 to 1350 |
| Tensile Strength: Yield (Proof), MPa | 1430 to 1700 | |
| 760 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1430 |
| Melting Onset (Solidus), °C | 1400 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 13 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 2.6 |
| Embodied Energy, MJ/kg | 48 | |
| 38 |
| Embodied Water, L/kg | 120 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 15 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 to 110 | |
| 71 to 120 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 57 to 65 | |
| 34 to 48 |
| Strength to Weight: Bending, points | 39 to 43 | |
| 28 to 35 |
| Thermal Shock Resistance, points | 56 to 64 | |
| 32 to 45 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.070 |
| Chromium (Cr), % | 11 to 12.5 | |
| 14 to 15.5 |
| Copper (Cu), % | 1.5 to 2.5 | |
| 2.5 to 3.2 |
| Iron (Fe), % | 72.4 to 78.9 | |
| 73.6 to 79 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.7 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 7.5 to 9.5 | |
| 4.5 to 5.5 |
| Niobium (Nb), % | 0.1 to 0.5 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.030 |
| Titanium (Ti), % | 1.0 to 1.4 | |
| 0 |