EN 1.5521 Steel vs. AISI 403 Stainless Steel
Both EN 1.5521 steel and AISI 403 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 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 403 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 130 to 180 | |
190 to 240 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 21 | |
16 to 25 |
Fatigue Strength, MPa | 210 to 310 | |
200 to 340 |
Poisson's Ratio | 0.29 | |
0.28 |
Reduction in Area, % | 59 to 72 | |
47 to 50 |
Shear Modulus, GPa | 73 | |
76 |
Shear Strength, MPa | 310 to 360 | |
340 to 480 |
Tensile Strength: Ultimate (UTS), MPa | 430 to 1390 | |
530 to 780 |
Tensile Strength: Yield (Proof), MPa | 300 to 490 | |
280 to 570 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
270 |
Maximum Temperature: Mechanical, °C | 400 | |
740 |
Melting Completion (Liquidus), °C | 1460 | |
1450 |
Melting Onset (Solidus), °C | 1420 | |
1400 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 51 | |
28 |
Thermal Expansion, µm/m-K | 13 | |
9.9 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
2.9 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
3.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
6.5 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.9 |
Embodied Energy, MJ/kg | 19 | |
27 |
Embodied Water, L/kg | 47 | |
99 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 to 230 | |
110 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 630 | |
210 to 840 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 15 to 49 | |
19 to 28 |
Strength to Weight: Bending, points | 16 to 35 | |
19 to 24 |
Thermal Diffusivity, mm2/s | 14 | |
7.6 |
Thermal Shock Resistance, points | 13 to 41 | |
20 to 29 |
Alloy Composition
Boron (B), % | 0.00080 to 0.0050 | |
0 |
Carbon (C), % | 0.16 to 0.2 | |
0 to 0.15 |
Chromium (Cr), % | 0 | |
11.5 to 13 |
Copper (Cu), % | 0 to 0.25 | |
0 |
Iron (Fe), % | 98 to 98.9 | |
84.7 to 88.5 |
Manganese (Mn), % | 0.9 to 1.2 | |
0 to 1.0 |
Nickel (Ni), % | 0 | |
0 to 0.6 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.040 |
Silicon (Si), % | 0 to 0.3 | |
0 to 0.5 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.030 |