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Annealed Grade 29 Titanium vs. Annealed SAE-AISI S6

Annealed grade 29 titanium belongs to the titanium alloys classification, while annealed SAE-AISI S6 belongs to the iron alloys. There are 29 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 annealed grade 29 titanium and the bottom bar is annealed SAE-AISI S6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
16
Fatigue Strength, MPa 510
230
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
72
Shear Strength, MPa 560
410
Tensile Strength: Ultimate (UTS), MPa 930
670
Tensile Strength: Yield (Proof), MPa 870
350

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1560
1390
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.3
41
Thermal Expansion, µm/m-K 9.3
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.2
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 39
2.3
Embodied Energy, MJ/kg 640
33
Embodied Water, L/kg 410
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
89
Resilience: Unit (Modulus of Resilience), kJ/m3 3540
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 58
24
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 68
22

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.4 to 0.5
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
92.8 to 94.7
Manganese (Mn), % 0
1.2 to 1.5
Molybdenum (Mo), % 0
0.3 to 0.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.030
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
2.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0.2 to 0.4
Residuals, % 0 to 0.4
0