EN 1.4371 Stainless Steel vs. ACI-ASTM CB7Cu-2 Steel
Both EN 1.4371 stainless steel and ACI-ASTM CB7Cu-2 steel are iron alloys. They have a moderately high 91% 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 EN 1.4371 stainless steel and the bottom bar is ACI-ASTM CB7Cu-2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 230 | |
| 300 to 420 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 45 to 51 | |
| 5.7 to 11 |
| Fatigue Strength, MPa | 290 to 340 | |
| 420 to 590 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
| 960 to 1350 |
| Tensile Strength: Yield (Proof), MPa | 320 to 340 | |
| 760 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1430 |
| Melting Onset (Solidus), °C | 1370 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 17 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 2.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 13 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 38 | |
| 38 |
| Embodied Water, L/kg | 140 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 15 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 270 to 310 | |
| 71 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 300 | |
| 1510 to 3600 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 | |
| 34 to 48 |
| Strength to Weight: Bending, points | 24 | |
| 28 to 35 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.6 |
| Thermal Shock Resistance, points | 16 | |
| 32 to 45 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.070 |
| Chromium (Cr), % | 16 to 17.5 | |
| 14 to 15.5 |
| Copper (Cu), % | 0 to 1.0 | |
| 2.5 to 3.2 |
| Iron (Fe), % | 66.7 to 74.4 | |
| 73.6 to 79 |
| Manganese (Mn), % | 6.0 to 8.0 | |
| 0 to 0.7 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 4.5 to 5.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0.15 to 0.25 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |