AISI 316N Stainless Steel vs. ACI-ASTM CN7M Steel
Both AISI 316N stainless steel and ACI-ASTM CN7M steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is AISI 316N stainless steel and the bottom bar is ACI-ASTM CN7M steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 350 | |
| 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 9.0 to 39 | |
| 44 |
| Fatigue Strength, MPa | 230 to 450 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 78 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1160 | |
| 480 |
| Tensile Strength: Yield (Proof), MPa | 270 to 870 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 310 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 430 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1410 |
| Melting Onset (Solidus), °C | 1400 | |
| 1450 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 21 |
| Thermal Expansion, µm/m-K | 16 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 1.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 1.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 32 |
| Density, g/cm3 | 7.9 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 3.9 | |
| 5.6 |
| Embodied Energy, MJ/kg | 53 | |
| 78 |
| Embodied Water, L/kg | 150 | |
| 210 |
Common Calculations
| PREN (Pitting Resistance) | 27 | |
| 29 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 to 230 | |
| 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 1880 | |
| 110 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 41 | |
| 17 |
| Strength to Weight: Bending, points | 20 to 31 | |
| 17 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 5.6 |
| Thermal Shock Resistance, points | 14 to 26 | |
| 12 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.070 |
| Chromium (Cr), % | 16 to 18 | |
| 19 to 22 |
| Copper (Cu), % | 0 | |
| 3.0 to 4.0 |
| Iron (Fe), % | 61.9 to 71.9 | |
| 37.4 to 48.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 2.0 to 3.0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 10 to 14 | |
| 27.5 to 30.5 |
| Nitrogen (N), % | 0.1 to 0.16 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 1.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.040 |