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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