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Titanium 6-5-0.5 vs. AISI 409 Stainless Steel

Titanium 6-5-0.5 belongs to the titanium alloys classification, while AISI 409 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 AISI 409 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 6.7
24
Fatigue Strength, MPa 530
140
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
75
Shear Strength, MPa 630
270
Tensile Strength: Ultimate (UTS), MPa 1080
420
Tensile Strength: Yield (Proof), MPa 990
200

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 300
710
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1400
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 4.2
25
Thermal Expansion, µm/m-K 9.4
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 41
6.5
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 33
2.0
Embodied Energy, MJ/kg 540
28
Embodied Water, L/kg 180
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
83
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 67
15
Strength to Weight: Bending, points 52
16
Thermal Diffusivity, mm2/s 1.7
6.7
Thermal Shock Resistance, points 79
15

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
0
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
10.5 to 11.7
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
84.9 to 89.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0.25 to 0.75
0
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 85.6 to 90.1
0 to 0.75
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0