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Grade 30 Titanium vs. SAE-AISI F2 Steel

Grade 30 titanium belongs to the titanium alloys classification, while SAE-AISI F2 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 30 titanium and the bottom bar is SAE-AISI F2 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 41
73
Tensile Strength: Ultimate (UTS), MPa 390
710 to 2360

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Melting Completion (Liquidus), °C 1660
1520
Melting Onset (Solidus), °C 1610
1470
Specific Heat Capacity, J/kg-K 540
460
Thermal Conductivity, W/m-K 21
42
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.5

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 36
2.3
Embodied Energy, MJ/kg 600
32
Embodied Water, L/kg 230
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 24
24 to 81
Strength to Weight: Bending, points 26
22 to 49
Thermal Diffusivity, mm2/s 8.6
11
Thermal Shock Resistance, points 30
21 to 71

Alloy Composition

Carbon (C), % 0 to 0.080
1.2 to 1.4
Chromium (Cr), % 0
0.2 to 0.4
Cobalt (Co), % 0.2 to 0.8
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
92.6 to 95.4
Manganese (Mn), % 0
0.1 to 0.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.1 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98 to 99.76
0
Tungsten (W), % 0
3.0 to 4.5
Residuals, % 0 to 0.4
0