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Grade 6 Titanium vs. C68700 Brass

Grade 6 titanium belongs to the titanium alloys classification, while C68700 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 39
41
Tensile Strength: Ultimate (UTS), MPa 890
390
Tensile Strength: Yield (Proof), MPa 840
140

Thermal Properties

Latent Heat of Fusion, J/g 410
190
Maximum Temperature: Mechanical, °C 310
160
Melting Completion (Liquidus), °C 1580
970
Melting Onset (Solidus), °C 1530
930
Specific Heat Capacity, J/kg-K 550
400
Thermal Conductivity, W/m-K 7.8
100
Thermal Expansion, µm/m-K 9.4
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
25

Otherwise Unclassified Properties

Base Metal Price, % relative 36
26
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 30
2.8
Embodied Energy, MJ/kg 480
46
Embodied Water, L/kg 190
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 3390
90
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 55
13
Strength to Weight: Bending, points 46
14
Thermal Diffusivity, mm2/s 3.2
30
Thermal Shock Resistance, points 65
13

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
76 to 79
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5