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EN 1.4558 Stainless Steel vs. SAE-AISI L2 Steel

Both EN 1.4558 stainless steel and SAE-AISI L2 steel are iron alloys. They have 45% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4558 stainless steel and the bottom bar is SAE-AISI L2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 510
590 to 1960

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
44
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.4
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
1.9
Embodied Energy, MJ/kg 77
27
Embodied Water, L/kg 200
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
21 to 70
Strength to Weight: Bending, points 18
20 to 45
Thermal Diffusivity, mm2/s 3.1
12
Thermal Shock Resistance, points 12
19 to 65

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Carbon (C), % 0 to 0.030
0.45 to 1.0
Chromium (Cr), % 20 to 23
0.7 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 39.2 to 47.9
95.5 to 98.7
Manganese (Mn), % 0 to 1.0
0.1 to 0.9
Molybdenum (Mo), % 0
0 to 0.25
Nickel (Ni), % 32 to 35
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.6
0
Vanadium (V), % 0
0.1 to 0.3