EN 1.3549 Stainless Steel vs. ACI-ASTM CN7MS Steel
Both EN 1.3549 stainless steel and ACI-ASTM CN7MS steel are iron alloys. They have 70% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is EN 1.3549 stainless steel and the bottom bar is ACI-ASTM CN7MS steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 | |
| 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 730 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 340 |
| Maximum Temperature: Corrosion, °C | 400 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 1040 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1400 |
| Melting Onset (Solidus), °C | 1390 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 21 | |
| 12 |
| Thermal Expansion, µm/m-K | 10 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 28 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 5.1 |
| Embodied Energy, MJ/kg | 37 | |
| 71 |
| Embodied Water, L/kg | 130 | |
| 180 |
Common Calculations
| PREN (Pitting Resistance) | 22 | |
| 28 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 | |
| 19 |
| Strength to Weight: Bending, points | 24 | |
| 19 |
| Thermal Diffusivity, mm2/s | 5.6 | |
| 3.2 |
| Thermal Shock Resistance, points | 26 | |
| 13 |
Alloy Composition
| Carbon (C), % | 0.85 to 1.0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 17 to 19 | |
| 18 to 20 |
| Copper (Cu), % | 0 | |
| 1.5 to 2.0 |
| Iron (Fe), % | 77.5 to 82 | |
| 45.4 to 53.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.9 to 1.3 | |
| 2.5 to 3.0 |
| Nickel (Ni), % | 0 | |
| 22 to 25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 2.5 to 3.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0.070 to 0.12 | |
| 0 |