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Grade 19 Titanium vs. SAE-AISI L6 Steel

Grade 19 titanium belongs to the titanium alloys classification, while SAE-AISI L6 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 19 titanium 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 0.32
0.29
Shear Modulus, GPa 47
72
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
670 to 2090

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1600
1410
Specific Heat Capacity, J/kg-K 520
470
Thermal Conductivity, W/m-K 6.2
42
Thermal Expansion, µm/m-K 9.1
11

Otherwise Unclassified Properties

Base Metal Price, % relative 45
3.6
Density, g/cm3 5.0
7.8
Embodied Carbon, kg CO2/kg material 47
2.0
Embodied Energy, MJ/kg 760
28
Embodied Water, L/kg 230
54

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 33
24
Strength to Weight: Axial, points 49 to 72
24 to 74
Strength to Weight: Bending, points 41 to 53
22 to 46
Thermal Diffusivity, mm2/s 2.4
11
Thermal Shock Resistance, points 57 to 83
22 to 70

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0.65 to 0.75
Chromium (Cr), % 5.5 to 6.5
0.6 to 1.2
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
93.6 to 97.3
Manganese (Mn), % 0
0.25 to 0.8
Molybdenum (Mo), % 3.5 to 4.5
0 to 0.5
Nickel (Ni), % 0
1.3 to 2.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 71.1 to 77
0
Vanadium (V), % 7.5 to 8.5
0 to 0.3
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0

Comparable Variants