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Titanium 6-2-4-2 vs. EN 1.7177 Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while EN 1.7177 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 EN 1.7177 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 40
73
Tensile Strength: Ultimate (UTS), MPa 950
660 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 300
420
Melting Completion (Liquidus), °C 1590
1450
Melting Onset (Solidus), °C 1540
1410
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 6.9
47
Thermal Expansion, µm/m-K 9.5
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 42
2.1
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 32
1.4
Embodied Energy, MJ/kg 520
19
Embodied Water, L/kg 210
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 57
23 to 71
Strength to Weight: Bending, points 46
21 to 45
Thermal Diffusivity, mm2/s 2.8
13
Thermal Shock Resistance, points 67
19 to 59

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0.55 to 0.65
Chromium (Cr), % 0
0.6 to 0.9
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
97 to 98.2
Manganese (Mn), % 0
0.7 to 1.0
Molybdenum (Mo), % 1.8 to 2.2
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.060 to 0.12
0 to 0.4
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0