EN 1.6554 Steel vs. EN 1.4122 Stainless Steel
Both EN 1.6554 steel and EN 1.4122 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is EN 1.4122 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 17 to 21 | |
14 |
Fatigue Strength, MPa | 380 to 520 | |
260 to 360 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 73 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 780 to 930 | |
790 to 850 |
Tensile Strength: Yield (Proof), MPa | 550 to 790 | |
450 to 630 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
280 |
Maximum Temperature: Mechanical, °C | 420 | |
870 |
Melting Completion (Liquidus), °C | 1460 | |
1440 |
Melting Onset (Solidus), °C | 1420 | |
1400 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 40 | |
15 |
Thermal Expansion, µm/m-K | 13 | |
10 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
2.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
2.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 3.4 | |
9.5 |
Density, g/cm3 | 7.9 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 1.7 | |
2.4 |
Embodied Energy, MJ/kg | 22 | |
33 |
Embodied Water, L/kg | 53 | |
120 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
93 to 110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1650 | |
520 to 1000 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 27 to 33 | |
28 to 31 |
Strength to Weight: Bending, points | 24 to 27 | |
25 to 26 |
Thermal Diffusivity, mm2/s | 11 | |
4.0 |
Thermal Shock Resistance, points | 23 to 27 | |
28 to 30 |
Alloy Composition
Carbon (C), % | 0.23 to 0.28 | |
0.33 to 0.45 |
Chromium (Cr), % | 0.7 to 0.9 | |
15.5 to 17.5 |
Copper (Cu), % | 0 to 0.3 | |
0 |
Iron (Fe), % | 94.6 to 97.3 | |
77.2 to 83.4 |
Manganese (Mn), % | 0.6 to 0.9 | |
0 to 1.5 |
Molybdenum (Mo), % | 0.2 to 0.3 | |
0.8 to 1.3 |
Nickel (Ni), % | 1.0 to 2.0 | |
0 to 1.0 |
Phosphorus (P), % | 0 to 0.030 | |
0 to 0.040 |
Silicon (Si), % | 0 to 0.6 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.015 |
Vanadium (V), % | 0 to 0.030 | |
0 |