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Titanium 6-2-4-2 vs. EN 1.4308 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while EN 1.4308 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 1.4308 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.6
34
Fatigue Strength, MPa 490
160
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 950
510
Tensile Strength: Yield (Proof), MPa 880
200

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 300
960
Melting Completion (Liquidus), °C 1590
1420
Melting Onset (Solidus), °C 1540
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 6.9
15
Thermal Expansion, µm/m-K 9.5
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 42
15
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 32
3.0
Embodied Energy, MJ/kg 520
43
Embodied Water, L/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
140
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 57
18
Strength to Weight: Bending, points 46
18
Thermal Diffusivity, mm2/s 2.8
4.1
Thermal Shock Resistance, points 67
11

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0 to 0.070
Chromium (Cr), % 0
18 to 20
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
65.9 to 74
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
8.0 to 11
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.060 to 0.12
0 to 1.5
Sulfur (S), % 0
0 to 0.030
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