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SAE-AISI L2 Steel vs. Grade 23 Titanium

SAE-AISI L2 steel belongs to the iron alloys classification, while grade 23 titanium belongs to the titanium alloys. 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 SAE-AISI L2 steel and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

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

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
560
Thermal Conductivity, W/m-K 44
7.1
Thermal Expansion, µm/m-K 12
9.4

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 1.9
38
Embodied Energy, MJ/kg 27
610
Embodied Water, L/kg 51
200

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.45 to 1.0
0 to 0.080
Chromium (Cr), % 0.7 to 1.2
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 95.5 to 98.7
0 to 0.25
Manganese (Mn), % 0.1 to 0.9
0
Molybdenum (Mo), % 0 to 0.25
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.1 to 91
Vanadium (V), % 0.1 to 0.3
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants