EN 1.4378 Stainless Steel vs. AISI 201 Stainless Steel
Both EN 1.4378 stainless steel and AISI 201 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 29 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 1.4378 stainless steel and the bottom bar is AISI 201 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 190 to 340 | |
200 to 440 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 14 to 34 | |
4.6 to 51 |
Fatigue Strength, MPa | 340 to 550 | |
280 to 600 |
Poisson's Ratio | 0.28 | |
0.28 |
Shear Modulus, GPa | 77 | |
77 |
Shear Strength, MPa | 510 to 680 | |
450 to 840 |
Tensile Strength: Ultimate (UTS), MPa | 760 to 1130 | |
650 to 1450 |
Tensile Strength: Yield (Proof), MPa | 430 to 970 | |
300 to 1080 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
280 |
Maximum Temperature: Corrosion, °C | 410 | |
410 |
Maximum Temperature: Mechanical, °C | 910 | |
880 |
Melting Completion (Liquidus), °C | 1390 | |
1410 |
Melting Onset (Solidus), °C | 1350 | |
1370 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Expansion, µm/m-K | 17 | |
17 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 12 | |
12 |
Density, g/cm3 | 7.6 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 2.7 | |
2.6 |
Embodied Energy, MJ/kg | 39 | |
38 |
Embodied Water, L/kg | 150 | |
140 |
Common Calculations
PREN (Pitting Resistance) | 23 | |
19 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 220 | |
61 to 340 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 470 to 2370 | |
230 to 2970 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 28 to 41 | |
23 to 52 |
Strength to Weight: Bending, points | 24 to 31 | |
22 to 37 |
Thermal Shock Resistance, points | 16 to 23 | |
14 to 32 |
Alloy Composition
Carbon (C), % | 0 to 0.080 | |
0 to 0.15 |
Chromium (Cr), % | 17 to 19 | |
16 to 18 |
Iron (Fe), % | 61.2 to 69 | |
67.5 to 75 |
Manganese (Mn), % | 11.5 to 14.5 | |
5.5 to 7.5 |
Nickel (Ni), % | 2.3 to 3.7 | |
3.5 to 5.5 |
Nitrogen (N), % | 0.2 to 0.4 | |
0 to 0.25 |
Phosphorus (P), % | 0 to 0.060 | |
0 to 0.060 |
Silicon (Si), % | 0 to 1.0 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |