EN 1.5521 Steel vs. AISI 201L Stainless Steel
Both EN 1.5521 steel and AISI 201L stainless steel are iron alloys. They have 73% 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 1.5521 steel and the bottom bar is AISI 201L stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 130 to 180 | |
190 to 320 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 11 to 21 | |
22 to 46 |
Fatigue Strength, MPa | 210 to 310 | |
270 to 530 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 73 | |
77 |
Shear Strength, MPa | 310 to 360 | |
520 to 660 |
Tensile Strength: Ultimate (UTS), MPa | 430 to 1390 | |
740 to 1040 |
Tensile Strength: Yield (Proof), MPa | 300 to 490 | |
290 to 790 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
280 |
Maximum Temperature: Mechanical, °C | 400 | |
880 |
Melting Completion (Liquidus), °C | 1460 | |
1410 |
Melting Onset (Solidus), °C | 1420 | |
1370 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 51 | |
15 |
Thermal Expansion, µm/m-K | 13 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
2.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
2.9 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
12 |
Density, g/cm3 | 7.8 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
2.6 |
Embodied Energy, MJ/kg | 19 | |
38 |
Embodied Water, L/kg | 47 | |
140 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 to 230 | |
210 to 300 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 630 | |
220 to 1570 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 15 to 49 | |
27 to 37 |
Strength to Weight: Bending, points | 16 to 35 | |
24 to 30 |
Thermal Diffusivity, mm2/s | 14 | |
4.0 |
Thermal Shock Resistance, points | 13 to 41 | |
16 to 23 |
Alloy Composition
Boron (B), % | 0.00080 to 0.0050 | |
0 |
Carbon (C), % | 0.16 to 0.2 | |
0 to 0.030 |
Chromium (Cr), % | 0 | |
16 to 18 |
Copper (Cu), % | 0 to 0.25 | |
0 |
Iron (Fe), % | 98 to 98.9 | |
67.9 to 75 |
Manganese (Mn), % | 0.9 to 1.2 | |
5.5 to 7.5 |
Nickel (Ni), % | 0 | |
3.5 to 5.5 |
Nitrogen (N), % | 0 | |
0 to 0.25 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.045 |
Silicon (Si), % | 0 to 0.3 | |
0 to 0.75 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.030 |