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Titanium 6-2-4-2 vs. S35140 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while S35140 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 S35140 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
250
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
78
Shear Strength, MPa 560
460
Tensile Strength: Ultimate (UTS), MPa 950
690
Tensile Strength: Yield (Proof), MPa 880
310

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1590
1420
Melting Onset (Solidus), °C 1540
1370
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 6.9
14
Thermal Expansion, µm/m-K 9.5
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 42
31
Density, g/cm3 4.6
8.0
Embodied Carbon, kg CO2/kg material 32
5.5
Embodied Energy, MJ/kg 520
78
Embodied Water, L/kg 210
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
190
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 57
24
Strength to Weight: Bending, points 46
22
Thermal Diffusivity, mm2/s 2.8
3.7
Thermal Shock Resistance, points 67
16

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 0
20 to 22
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
44.1 to 52.7
Manganese (Mn), % 0
1.0 to 3.0
Molybdenum (Mo), % 1.8 to 2.2
1.0 to 2.0
Nickel (Ni), % 0
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0 to 0.050
0.080 to 0.2
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.060 to 0.12
0 to 0.75
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