EN 1.7231 Steel vs. AISI 316N Stainless Steel
Both EN 1.7231 steel and AISI 316N stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is AISI 316N stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 240 to 280 | |
190 to 350 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 11 to 12 | |
9.0 to 39 |
Fatigue Strength, MPa | 360 to 500 | |
230 to 450 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 73 | |
78 |
Tensile Strength: Ultimate (UTS), MPa | 790 to 930 | |
620 to 1160 |
Tensile Strength: Yield (Proof), MPa | 570 to 800 | |
270 to 870 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
290 |
Maximum Temperature: Mechanical, °C | 420 | |
940 |
Melting Completion (Liquidus), °C | 1460 | |
1440 |
Melting Onset (Solidus), °C | 1420 | |
1400 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 46 | |
15 |
Thermal Expansion, µm/m-K | 13 | |
16 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
2.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
2.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.5 | |
19 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
3.9 |
Embodied Energy, MJ/kg | 20 | |
53 |
Embodied Water, L/kg | 51 | |
150 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 100 | |
95 to 230 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 870 to 1700 | |
180 to 1880 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 28 to 33 | |
22 to 41 |
Strength to Weight: Bending, points | 24 to 27 | |
20 to 31 |
Thermal Diffusivity, mm2/s | 12 | |
4.1 |
Thermal Shock Resistance, points | 23 to 27 | |
14 to 26 |
Alloy Composition
Carbon (C), % | 0.38 to 0.45 | |
0 to 0.080 |
Chromium (Cr), % | 0.8 to 1.2 | |
16 to 18 |
Iron (Fe), % | 96.4 to 98.1 | |
61.9 to 71.9 |
Manganese (Mn), % | 0.6 to 1.0 | |
0 to 2.0 |
Molybdenum (Mo), % | 0.15 to 0.3 | |
2.0 to 3.0 |
Nickel (Ni), % | 0 | |
10 to 14 |
Nitrogen (N), % | 0 | |
0.1 to 0.16 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.045 |
Silicon (Si), % | 0 to 0.6 | |
0 to 0.75 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |