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SAE-AISI F2 Steel vs. Grade 28 Titanium

SAE-AISI F2 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 (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI F2 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 73
40
Tensile Strength: Ultimate (UTS), MPa 710 to 2360
690 to 980

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Melting Completion (Liquidus), °C 1520
1640
Melting Onset (Solidus), °C 1470
1590
Specific Heat Capacity, J/kg-K 460
550
Thermal Conductivity, W/m-K 42
8.3
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
36
Density, g/cm3 8.1
4.5
Embodied Carbon, kg CO2/kg material 2.3
37
Embodied Energy, MJ/kg 32
600
Embodied Water, L/kg 50
370

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 24 to 81
43 to 61
Strength to Weight: Bending, points 22 to 49
39 to 49
Thermal Diffusivity, mm2/s 11
3.4
Thermal Shock Resistance, points 21 to 71
47 to 66

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 1.2 to 1.4
0 to 0.080
Chromium (Cr), % 0.2 to 0.4
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 92.6 to 95.4
0 to 0.25
Manganese (Mn), % 0.1 to 0.5
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), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
92.4 to 95.4
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4

Comparable Variants