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Titanium 6-2-4-2 vs. EN 1.8879 Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while EN 1.8879 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.8879 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 8.6
16
Fatigue Strength, MPa 490
460
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 560
510
Tensile Strength: Ultimate (UTS), MPa 950
830
Tensile Strength: Yield (Proof), MPa 880
710

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 300
420
Melting Completion (Liquidus), °C 1590
1460
Melting Onset (Solidus), °C 1540
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 6.9
40
Thermal Expansion, µm/m-K 9.5
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 42
3.7
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 32
1.9
Embodied Energy, MJ/kg 520
26
Embodied Water, L/kg 210
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
120
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
1320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 57
29
Strength to Weight: Bending, points 46
25
Thermal Diffusivity, mm2/s 2.8
11
Thermal Shock Resistance, points 67
24

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.050
0 to 0.2
Chromium (Cr), % 0
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
91.9 to 100
Manganese (Mn), % 0
0 to 1.7
Molybdenum (Mo), % 1.8 to 2.2
0 to 0.7
Nickel (Ni), % 0
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0 to 0.050
0 to 0.015
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.060 to 0.12
0 to 0.8
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 3.6 to 4.4
0 to 0.15
Residuals, % 0 to 0.4
0