EN 1.7106 Steel vs. AISI 440A Stainless Steel
Both EN 1.7106 steel and AISI 440A stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.7106 steel and the bottom bar is AISI 440A stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 72 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 660 to 2020 | |
730 to 1790 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
280 |
Maximum Temperature: Mechanical, °C | 410 | |
760 |
Melting Completion (Liquidus), °C | 1430 | |
1480 |
Melting Onset (Solidus), °C | 1390 | |
1370 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Conductivity, W/m-K | 46 | |
23 |
Thermal Expansion, µm/m-K | 13 | |
10 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
2.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
2.9 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.1 | |
9.0 |
Density, g/cm3 | 7.7 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
2.2 |
Embodied Energy, MJ/kg | 20 | |
31 |
Embodied Water, L/kg | 47 | |
120 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 24 to 73 | |
26 to 65 |
Strength to Weight: Bending, points | 22 to 46 | |
23 to 43 |
Thermal Diffusivity, mm2/s | 13 | |
6.2 |
Thermal Shock Resistance, points | 20 to 61 | |
26 to 65 |
Alloy Composition
Carbon (C), % | 0.52 to 0.6 | |
0.6 to 0.75 |
Chromium (Cr), % | 0.2 to 0.45 | |
16 to 18 |
Iron (Fe), % | 95.9 to 97 | |
78.4 to 83.4 |
Manganese (Mn), % | 0.7 to 1.0 | |
0 to 1.0 |
Molybdenum (Mo), % | 0 | |
0 to 0.75 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.040 |
Silicon (Si), % | 1.6 to 2.0 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.015 |