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SAE-AISI L3 Steel vs. EN 1.4618 Stainless Steel

Both SAE-AISI L3 steel and EN 1.4618 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI L3 steel and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 600 to 2250
680 to 700

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 27
39
Embodied Water, L/kg 53
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 80
24 to 25
Strength to Weight: Bending, points 20 to 49
22 to 23
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 18 to 67
15 to 16

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.1
Chromium (Cr), % 1.3 to 1.7
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 95.5 to 97.3
62.7 to 72.5
Manganese (Mn), % 0.25 to 0.8
5.5 to 9.5
Nickel (Ni), % 0
4.5 to 5.5
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.030
0 to 0.070
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.1 to 0.3
0