AISI 201 Stainless Steel vs. EN 1.4421 Stainless Steel
Both AISI 201 stainless steel and EN 1.4421 stainless steel are iron alloys. They have a moderately high 93% 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 AISI 201 stainless steel and the bottom bar is EN 1.4421 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 4.6 to 51 | |
11 to 17 |
Fatigue Strength, MPa | 280 to 600 | |
380 to 520 |
Poisson's Ratio | 0.28 | |
0.28 |
Shear Modulus, GPa | 77 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 650 to 1450 | |
880 to 1100 |
Tensile Strength: Yield (Proof), MPa | 300 to 1080 | |
620 to 950 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
280 |
Maximum Temperature: Corrosion, °C | 410 | |
410 |
Maximum Temperature: Mechanical, °C | 880 | |
870 |
Melting Completion (Liquidus), °C | 1410 | |
1440 |
Melting Onset (Solidus), °C | 1370 | |
1400 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Conductivity, W/m-K | 15 | |
16 |
Thermal Expansion, µm/m-K | 17 | |
10 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
2.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
2.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 12 | |
12 |
Density, g/cm3 | 7.7 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.6 | |
2.6 |
Embodied Energy, MJ/kg | 38 | |
36 |
Embodied Water, L/kg | 140 | |
130 |
Common Calculations
PREN (Pitting Resistance) | 19 | |
18 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 61 to 340 | |
120 to 140 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 2970 | |
960 to 2270 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 23 to 52 | |
31 to 39 |
Strength to Weight: Bending, points | 22 to 37 | |
26 to 30 |
Thermal Diffusivity, mm2/s | 4.0 | |
4.4 |
Thermal Shock Resistance, points | 14 to 32 | |
31 to 39 |
Alloy Composition
Carbon (C), % | 0 to 0.15 | |
0 to 0.060 |
Chromium (Cr), % | 16 to 18 | |
15.5 to 17.5 |
Iron (Fe), % | 67.5 to 75 | |
74.4 to 80.5 |
Manganese (Mn), % | 5.5 to 7.5 | |
0 to 1.0 |
Molybdenum (Mo), % | 0 | |
0 to 0.7 |
Nickel (Ni), % | 3.5 to 5.5 | |
4.0 to 5.5 |
Nitrogen (N), % | 0 to 0.25 | |
0 |
Phosphorus (P), % | 0 to 0.060 | |
0 to 0.035 |
Silicon (Si), % | 0 to 1.0 | |
0 to 0.8 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.020 |