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Grade 12 Titanium vs. Grade C-6 Titanium

Both grade 12 titanium and grade C-6 titanium are titanium alloys. They have a moderately high 92% of their average alloy composition in common. 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 grade 12 titanium and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
290
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 21
9.0
Fatigue Strength, MPa 280
460
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 39
39
Tensile Strength: Ultimate (UTS), MPa 530
890
Tensile Strength: Yield (Proof), MPa 410
830

Thermal Properties

Latent Heat of Fusion, J/g 420
410
Maximum Temperature: Mechanical, °C 320
310
Melting Completion (Liquidus), °C 1660
1580
Melting Onset (Solidus), °C 1610
1530
Specific Heat Capacity, J/kg-K 540
550
Thermal Conductivity, W/m-K 21
7.8
Thermal Expansion, µm/m-K 9.6
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
36
Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 31
30
Embodied Energy, MJ/kg 500
480
Embodied Water, L/kg 110
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
78
Resilience: Unit (Modulus of Resilience), kJ/m3 770
3300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 32
55
Strength to Weight: Bending, points 32
46
Thermal Diffusivity, mm2/s 8.5
3.2
Thermal Shock Resistance, points 37
63

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0 to 0.080
0 to 0.1
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.3
0 to 0.5
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.6 to 0.9
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0 to 0.2
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 97.6 to 99.2
89.7 to 94
Residuals, % 0
0 to 0.4