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C68800 Brass vs. Grade C-6 Titanium

C68800 brass belongs to the copper alloys classification, while grade C-6 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-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 2.0 to 36
9.0
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
39
Tensile Strength: Ultimate (UTS), MPa 570 to 890
890
Tensile Strength: Yield (Proof), MPa 390 to 790
830

Thermal Properties

Latent Heat of Fusion, J/g 190
410
Maximum Temperature: Mechanical, °C 160
310
Melting Completion (Liquidus), °C 960
1580
Melting Onset (Solidus), °C 950
1530
Specific Heat Capacity, J/kg-K 400
550
Thermal Conductivity, W/m-K 40
7.8
Thermal Expansion, µm/m-K 19
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 20
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 26
36
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 2.8
30
Embodied Energy, MJ/kg 48
480
Embodied Water, L/kg 350
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
78
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
3300
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 19 to 30
55
Strength to Weight: Bending, points 19 to 25
46
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 19 to 30
63

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
4.0 to 6.0
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 0.5
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.7 to 94
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0
0 to 0.4