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Titanium 6-2-4-2 vs. EN 1.4905 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while EN 1.4905 stainless 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 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 8.6
19
Fatigue Strength, MPa 490
330
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Shear Strength, MPa 560
460
Tensile Strength: Ultimate (UTS), MPa 950
740
Tensile Strength: Yield (Proof), MPa 880
510

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 300
660
Melting Completion (Liquidus), °C 1590
1480
Melting Onset (Solidus), °C 1540
1440
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 6.9
26
Thermal Expansion, µm/m-K 9.5
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 42
9.5
Density, g/cm3 4.6
7.9
Embodied Carbon, kg CO2/kg material 32
2.8
Embodied Energy, MJ/kg 520
40
Embodied Water, L/kg 210
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
680
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 57
26
Strength to Weight: Bending, points 46
23
Thermal Diffusivity, mm2/s 2.8
7.0
Thermal Shock Resistance, points 67
25

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0 to 0.050
0.090 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
86.2 to 88.8
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 1.8 to 2.2
0.9 to 1.1
Nickel (Ni), % 0
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0 to 0.050
0.050 to 0.090
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.060 to 0.12
0.1 to 0.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0