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C68800 Brass vs. Grade C-5 Titanium

C68800 brass belongs to the copper alloys classification, while grade C-5 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is grade C-5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.0 to 36
6.7
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 570 to 890
1000
Tensile Strength: Yield (Proof), MPa 390 to 790
940

Thermal Properties

Latent Heat of Fusion, J/g 190
410
Maximum Temperature: Mechanical, °C 160
340
Melting Completion (Liquidus), °C 960
1610
Melting Onset (Solidus), °C 950
1560
Specific Heat Capacity, J/kg-K 400
560
Thermal Conductivity, W/m-K 40
7.1
Thermal Expansion, µm/m-K 19
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 20
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 26
36
Density, g/cm3 8.2
4.4
Embodied Carbon, kg CO2/kg material 2.8
38
Embodied Energy, MJ/kg 48
610
Embodied Water, L/kg 350
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
66
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
4200
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 19 to 30
63
Strength to Weight: Bending, points 19 to 25
50
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 19 to 30
71

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
5.5 to 6.8
Carbon (C), % 0
0 to 0.1
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Titanium (Ti), % 0
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0
0 to 0.4