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SAE-AISI L2 Steel vs. Grade 28 Titanium

SAE-AISI L2 steel belongs to the iron alloys classification, while grade 28 titanium 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 L2 steel and the bottom bar is grade 28 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
690 to 980

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Melting Completion (Liquidus), °C 1450
1640
Melting Onset (Solidus), °C 1410
1590
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 44
8.3
Thermal Expansion, µm/m-K 12
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.9
37
Embodied Energy, MJ/kg 27
600
Embodied Water, L/kg 51
370

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21 to 70
43 to 61
Strength to Weight: Bending, points 20 to 45
39 to 49
Thermal Diffusivity, mm2/s 12
3.4
Thermal Shock Resistance, points 19 to 65
47 to 66

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
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 0.015
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 0.15
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
92.4 to 95.4
Vanadium (V), % 0.1 to 0.3
2.0 to 3.0
Residuals, % 0
0 to 0.4

Comparable Variants