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Grade C-6 Titanium vs. Grade 37 Titanium

Both grade C-6 titanium and grade 37 titanium are titanium alloys. They have a moderately high 94% of their average alloy composition in common. 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 grade C-6 titanium and the bottom bar is grade 37 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 9.0
22
Fatigue Strength, MPa 460
170
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 890
390
Tensile Strength: Yield (Proof), MPa 830
250

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 310
310
Melting Completion (Liquidus), °C 1580
1650
Melting Onset (Solidus), °C 1530
1600
Specific Heat Capacity, J/kg-K 550
550
Thermal Conductivity, W/m-K 7.8
21
Thermal Expansion, µm/m-K 9.8
8.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
6.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
36
Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 30
31
Embodied Energy, MJ/kg 480
500
Embodied Water, L/kg 190
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
76
Resilience: Unit (Modulus of Resilience), kJ/m3 3300
280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 55
24
Strength to Weight: Bending, points 46
26
Thermal Diffusivity, mm2/s 3.2
8.4
Thermal Shock Resistance, points 63
29

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
1.0 to 2.0
Carbon (C), % 0 to 0.1
0 to 0.080
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.3
Nickel (Ni), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0 to 0.2
0 to 0.25
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.7 to 94
96.9 to 99
Residuals, % 0
0 to 0.4