EN 1.4418 Stainless Steel vs. EN 1.8945 Steel
Both EN 1.4418 stainless steel and EN 1.8945 steel are iron alloys. They have 79% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is EN 1.4418 stainless steel and the bottom bar is EN 1.8945 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 16 to 20 | |
16 |
Fatigue Strength, MPa | 350 to 480 | |
260 |
Impact Strength: V-Notched Charpy, J | 62 to 90 | |
30 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 77 | |
73 |
Shear Strength, MPa | 530 to 620 | |
350 |
Tensile Strength: Ultimate (UTS), MPa | 860 to 1000 | |
580 |
Tensile Strength: Yield (Proof), MPa | 540 to 790 | |
390 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
250 |
Maximum Temperature: Mechanical, °C | 870 | |
420 |
Melting Completion (Liquidus), °C | 1450 | |
1460 |
Melting Onset (Solidus), °C | 1400 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 15 | |
42 |
Thermal Expansion, µm/m-K | 10 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
7.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
8.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 13 | |
2.5 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.8 | |
1.5 |
Embodied Energy, MJ/kg | 39 | |
19 |
Embodied Water, L/kg | 130 | |
51 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
82 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 730 to 1590 | |
410 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 31 to 36 | |
20 |
Strength to Weight: Bending, points | 26 to 28 | |
20 |
Thermal Diffusivity, mm2/s | 4.0 | |
11 |
Thermal Shock Resistance, points | 31 to 36 | |
17 |
Alloy Composition
Carbon (C), % | 0 to 0.060 | |
0 to 0.15 |
Chromium (Cr), % | 15 to 17 | |
0.25 to 1.4 |
Copper (Cu), % | 0 | |
0.2 to 0.6 |
Iron (Fe), % | 73.2 to 80.2 | |
95.1 to 99.5 |
Manganese (Mn), % | 0 to 1.5 | |
0 to 1.1 |
Molybdenum (Mo), % | 0.8 to 1.5 | |
0 |
Nickel (Ni), % | 4.0 to 6.0 | |
0 to 0.7 |
Nitrogen (N), % | 0 to 0.020 | |
0 to 0.010 |
Phosphorus (P), % | 0 to 0.040 | |
0.050 to 0.16 |
Silicon (Si), % | 0 to 0.7 | |
0 to 0.8 |
Sulfur (S), % | 0 to 0.015 | |
0 to 0.040 |