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Titanium 6-5-0.5 vs. S44626 Stainless Steel

Titanium 6-5-0.5 belongs to the titanium alloys classification, while S44626 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 6-5-0.5 and the bottom bar is S44626 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 6.7
23
Fatigue Strength, MPa 530
230
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
80
Shear Strength, MPa 630
340
Tensile Strength: Ultimate (UTS), MPa 1080
540
Tensile Strength: Yield (Proof), MPa 990
350

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1560
1390
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 4.2
17
Thermal Expansion, µm/m-K 9.4
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 41
14
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 33
2.9
Embodied Energy, MJ/kg 540
42
Embodied Water, L/kg 180
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
110
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
300
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 67
19
Strength to Weight: Bending, points 52
19
Thermal Diffusivity, mm2/s 1.7
4.6
Thermal Shock Resistance, points 79
18

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
0
Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 0
25 to 27
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
68.1 to 74.1
Manganese (Mn), % 0
0 to 0.75
Molybdenum (Mo), % 0.25 to 0.75
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.050
0 to 0.040
Oxygen (O), % 0 to 0.19
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 85.6 to 90.1
0.2 to 1.0
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0