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EN 1.1191 Steel vs. SAE-AISI L6 Steel

Both EN 1.1191 steel and SAE-AISI L6 steel are iron alloys. They have a very high 97% 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 1.1191 steel and the bottom bar is SAE-AISI L6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 630 to 700
670 to 2090

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
42
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 47
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
24 to 74
Strength to Weight: Bending, points 21 to 22
22 to 46
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 20 to 22
22 to 70

Alloy Composition

Carbon (C), % 0.42 to 0.5
0.65 to 0.75
Chromium (Cr), % 0 to 0.4
0.6 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.3 to 99.08
93.6 to 97.3
Manganese (Mn), % 0.5 to 0.8
0.25 to 0.8
Molybdenum (Mo), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.4
1.3 to 2.0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.030
Vanadium (V), % 0
0 to 0.3