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Grade 6 Titanium vs. SAE-AISI F2 Steel

Grade 6 titanium belongs to the titanium alloys classification, while SAE-AISI F2 steel belongs to the iron 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 grade 6 titanium and the bottom bar is SAE-AISI F2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 890
710 to 2360

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Melting Completion (Liquidus), °C 1580
1520
Melting Onset (Solidus), °C 1530
1470
Specific Heat Capacity, J/kg-K 550
460
Thermal Conductivity, W/m-K 7.8
42
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
10
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 30
2.3
Embodied Energy, MJ/kg 480
32
Embodied Water, L/kg 190
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
24 to 81
Strength to Weight: Bending, points 46
22 to 49
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 65
21 to 71

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
1.2 to 1.4
Chromium (Cr), % 0
0.2 to 0.4
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
92.6 to 95.4
Manganese (Mn), % 0
0.1 to 0.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.1 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Tungsten (W), % 0
3.0 to 4.5
Residuals, % 0 to 0.4
0