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SAE-AISI L6 Steel vs. Titanium 6-5-0.5

SAE-AISI L6 steel belongs to the iron alloys classification, while titanium 6-5-0.5 belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI L6 steel and the bottom bar is titanium 6-5-0.5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 670 to 2090
1080

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Melting Completion (Liquidus), °C 1450
1610
Melting Onset (Solidus), °C 1410
1560
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 42
4.2
Thermal Expansion, µm/m-K 11
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.6
41
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.0
33
Embodied Energy, MJ/kg 28
540
Embodied Water, L/kg 54
180

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 24 to 74
67
Strength to Weight: Bending, points 22 to 46
52
Thermal Diffusivity, mm2/s 11
1.7
Thermal Shock Resistance, points 22 to 70
79

Alloy Composition

Aluminum (Al), % 0
5.7 to 6.3
Carbon (C), % 0.65 to 0.75
0 to 0.080
Chromium (Cr), % 0.6 to 1.2
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 93.6 to 97.3
0 to 0.2
Manganese (Mn), % 0.25 to 0.8
0
Molybdenum (Mo), % 0 to 0.5
0.25 to 0.75
Nickel (Ni), % 1.3 to 2.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.19
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
85.6 to 90.1
Vanadium (V), % 0 to 0.3
0
Zirconium (Zr), % 0
4.0 to 6.0
Residuals, % 0
0 to 0.4