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Titanium 6-2-4-2 vs. ASTM F15 Fe-Ni-Co

Titanium 6-2-4-2 belongs to the titanium alloys classification, while ASTM F15 Fe-Ni-Co 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 titanium 6-2-4-2 and the bottom bar is ASTM F15 Fe-Ni-Co.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 950
520 to 880

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 1590
1410
Melting Onset (Solidus), °C 1540
1450
Specific Heat Capacity, J/kg-K 540
460
Thermal Conductivity, W/m-K 6.9
17
Thermal Expansion, µm/m-K 9.5
6.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 42
49
Density, g/cm3 4.6
8.3
Embodied Carbon, kg CO2/kg material 32
5.2
Embodied Energy, MJ/kg 520
71
Embodied Water, L/kg 210
190

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
23
Strength to Weight: Axial, points 57
17 to 29
Strength to Weight: Bending, points 46
17 to 24
Thermal Diffusivity, mm2/s 2.8
4.5
Thermal Shock Resistance, points 67
32 to 55

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0 to 0.1
Carbon (C), % 0 to 0.050
0 to 0.040
Chromium (Cr), % 0
0 to 0.2
Cobalt (Co), % 0
16 to 18
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
50.3 to 56
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 1.8 to 2.2
0 to 0.2
Nickel (Ni), % 0
28 to 30
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0.060 to 0.12
0 to 0.2
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0 to 0.1
Zirconium (Zr), % 3.6 to 4.4
0 to 0.1
Residuals, % 0 to 0.4
0