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Grade C-6 Titanium vs. ASTM B817 Type I

Both grade C-6 titanium and ASTM B817 type I are titanium alloys. They have a moderately high 95% of their average alloy composition in common. There are 29 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 C-6 titanium and the bottom bar is ASTM B817 type I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 9.0
4.0 to 13
Fatigue Strength, MPa 460
360 to 520
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 890
770 to 960
Tensile Strength: Yield (Proof), MPa 830
700 to 860

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 310
340
Melting Completion (Liquidus), °C 1580
1600
Melting Onset (Solidus), °C 1530
1550
Specific Heat Capacity, J/kg-K 550
560
Thermal Conductivity, W/m-K 7.8
7.1
Thermal Expansion, µm/m-K 9.8
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
36
Density, g/cm3 4.5
4.4
Embodied Carbon, kg CO2/kg material 30
38
Embodied Energy, MJ/kg 480
610
Embodied Water, L/kg 190
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 3300
2310 to 3540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 55
48 to 60
Strength to Weight: Bending, points 46
42 to 49
Thermal Diffusivity, mm2/s 3.2
2.9
Thermal Shock Resistance, points 63
54 to 68

Alloy Composition


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Aluminum (Al), % 4.0 to 6.0
5.5 to 6.8
Carbon (C), % 0 to 0.1
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.4
Nickel (Ni), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0 to 0.2
0 to 0.3
Silicon (Si), % 0
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.7 to 94
87 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0 to 0.4
0 to 0.4