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Grade 29 Titanium vs. SAE-AISI L2 Steel

Grade 29 titanium belongs to the titanium alloys classification, while SAE-AISI L2 steel belongs to the iron 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 grade 29 titanium and the bottom bar is SAE-AISI L2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
72
Tensile Strength: Ultimate (UTS), MPa 930 to 940
590 to 1960

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.3
44
Thermal Expansion, µm/m-K 9.3
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.4
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 39
1.9
Embodied Energy, MJ/kg 640
27
Embodied Water, L/kg 410
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 58 to 59
21 to 70
Strength to Weight: Bending, points 47 to 48
20 to 45
Thermal Diffusivity, mm2/s 2.9
12
Thermal Shock Resistance, points 68 to 69
19 to 65

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.45 to 1.0
Chromium (Cr), % 0
0.7 to 1.2
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
95.5 to 98.7
Manganese (Mn), % 0
0.1 to 0.9
Molybdenum (Mo), % 0
0 to 0.25
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.030
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0.1 to 0.3
Residuals, % 0 to 0.4
0

Comparable Variants