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Titanium 6-2-4-2 vs. S44330 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while S44330 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 S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.6
25
Fatigue Strength, MPa 490
160
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
78
Shear Strength, MPa 560
280
Tensile Strength: Ultimate (UTS), MPa 950
440
Tensile Strength: Yield (Proof), MPa 880
230

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 300
990
Melting Completion (Liquidus), °C 1590
1440
Melting Onset (Solidus), °C 1540
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 6.9
21
Thermal Expansion, µm/m-K 9.5
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 42
13
Density, g/cm3 4.6
7.7
Embodied Carbon, kg CO2/kg material 32
2.8
Embodied Energy, MJ/kg 520
40
Embodied Water, L/kg 210
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
91
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 57
16
Strength to Weight: Bending, points 46
17
Thermal Diffusivity, mm2/s 2.8
5.7
Thermal Shock Resistance, points 67
16

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0 to 0.025
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 0
0.3 to 0.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
72.5 to 79.7
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 1.8 to 2.2
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0 to 0.050
0 to 0.025
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.060 to 0.12
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0 to 0.8
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0