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Titanium 6-5-0.5 vs. SAE-AISI 5140 Steel

Titanium 6-5-0.5 belongs to the titanium alloys classification, while SAE-AISI 5140 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 SAE-AISI 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 6.7
12 to 29
Fatigue Strength, MPa 530
220 to 570
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 630
360 to 600
Tensile Strength: Ultimate (UTS), MPa 1080
560 to 970
Tensile Strength: Yield (Proof), MPa 990
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 300
420
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 4.2
45
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 41
2.1
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
1.4
Embodied Energy, MJ/kg 540
19
Embodied Water, L/kg 180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
220 to 1880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 67
20 to 34
Strength to Weight: Bending, points 52
19 to 28
Thermal Diffusivity, mm2/s 1.7
12
Thermal Shock Resistance, points 79
16 to 29

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
0
Carbon (C), % 0 to 0.080
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 0.9
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
97.3 to 98.1
Manganese (Mn), % 0
0.7 to 0.9
Molybdenum (Mo), % 0.25 to 0.75
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 85.6 to 90.1
0
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0