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Titanium 6-5-0.5 vs. EN 1.4509 Stainless Steel

Titanium 6-5-0.5 belongs to the titanium alloys classification, while EN 1.4509 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 EN 1.4509 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 6.7
21
Fatigue Strength, MPa 530
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 630
330
Tensile Strength: Ultimate (UTS), MPa 1080
530
Tensile Strength: Yield (Proof), MPa 990
260

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 300
890
Melting Completion (Liquidus), °C 1610
1440
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
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 41
13
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 33
2.8
Embodied Energy, MJ/kg 540
41
Embodied Water, L/kg 180
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
90
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 67
19
Strength to Weight: Bending, points 52
19
Thermal Diffusivity, mm2/s 1.7
6.8
Thermal Shock Resistance, points 79
19

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
17.5 to 18.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
77.8 to 82.1
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0.25 to 0.75
0
Niobium (Nb), % 0
0.3 to 1.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 85.6 to 90.1
0.1 to 0.6
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0