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C70250 Copper vs. Grade 29 Titanium

C70250 copper belongs to the copper alloys classification, while grade 29 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is grade 29 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 520 to 740
930 to 940

Thermal Properties

Latent Heat of Fusion, J/g 220
410
Maximum Temperature: Mechanical, °C 210
340
Melting Completion (Liquidus), °C 1100
1610
Melting Onset (Solidus), °C 1080
1560
Specific Heat Capacity, J/kg-K 390
560
Thermal Conductivity, W/m-K 170
7.3
Thermal Expansion, µm/m-K 17
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 2.9
39
Embodied Energy, MJ/kg 45
640
Embodied Water, L/kg 310
410

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 16 to 23
58 to 59
Strength to Weight: Bending, points 16 to 21
47 to 48
Thermal Diffusivity, mm2/s 49
2.9
Thermal Shock Resistance, points 18 to 26
68 to 69

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 92.7 to 97.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 2.2 to 4.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0.25 to 1.2
0
Titanium (Ti), % 0
88 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.4