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Titanium 6-7 vs. SAE-AISI L6 Steel

Titanium 6-7 belongs to the titanium alloys classification, while SAE-AISI L6 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is SAE-AISI L6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
72
Tensile Strength: Ultimate (UTS), MPa 1020
670 to 2090

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Melting Completion (Liquidus), °C 1700
1450
Melting Onset (Solidus), °C 1650
1410
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
3.6
Density, g/cm3 5.1
7.8
Embodied Carbon, kg CO2/kg material 34
2.0
Embodied Energy, MJ/kg 540
28
Embodied Water, L/kg 190
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
24 to 74
Strength to Weight: Bending, points 44
22 to 46
Thermal Shock Resistance, points 66
22 to 70

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.65 to 0.75
Chromium (Cr), % 0
0.6 to 1.2
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
93.6 to 97.3
Manganese (Mn), % 0
0.25 to 0.8
Molybdenum (Mo), % 6.5 to 7.5
0 to 0.5
Nickel (Ni), % 0
1.3 to 2.0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Vanadium (V), % 0
0 to 0.3