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SAE-AISI L6 Steel vs. EN 1.4646 Stainless Steel

Both SAE-AISI L6 steel and EN 1.4646 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI L6 steel and the bottom bar is EN 1.4646 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 670 to 2090
750

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 3.6
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
41
Embodied Water, L/kg 54
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 74
27
Strength to Weight: Bending, points 22 to 46
24
Thermal Shock Resistance, points 22 to 70
16

Alloy Composition

Carbon (C), % 0.65 to 0.75
0.020 to 0.1
Chromium (Cr), % 0.6 to 1.2
17 to 19
Copper (Cu), % 0 to 0.25
1.5 to 3.0
Iron (Fe), % 93.6 to 97.3
59 to 67.3
Manganese (Mn), % 0.25 to 0.8
10.5 to 12.5
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 1.3 to 2.0
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 0.3
0