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Titanium 6-2-4-2 vs. SAE-AISI D5 Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while SAE-AISI D5 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is titanium 6-2-4-2 and the bottom bar is SAE-AISI D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 8.6
5.4 to 14
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
75
Shear Strength, MPa 560
470 to 1180
Tensile Strength: Ultimate (UTS), MPa 950
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 1590
1430
Melting Onset (Solidus), °C 1540
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 6.9
27
Thermal Expansion, µm/m-K 9.5
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
4.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
4.9

Otherwise Unclassified Properties

Base Metal Price, % relative 42
13
Density, g/cm3 4.6
7.7
Embodied Carbon, kg CO2/kg material 32
3.5
Embodied Energy, MJ/kg 520
51
Embodied Water, L/kg 210
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 57
28 to 73
Strength to Weight: Bending, points 46
24 to 46
Thermal Diffusivity, mm2/s 2.8
7.4
Thermal Shock Resistance, points 67
26 to 67

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
1.4 to 1.6
Chromium (Cr), % 0
11 to 13
Cobalt (Co), % 0
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
77.9 to 84.4
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 1.8 to 2.2
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.060 to 0.12
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0
Vanadium (V), % 0
0 to 1.0
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0