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C70250 Copper vs. Grade Ti-Pd7B Titanium

C70250 copper belongs to the copper alloys classification, while grade Ti-Pd7B titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is grade Ti-Pd7B 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
390

Thermal Properties

Latent Heat of Fusion, J/g 220
420
Maximum Temperature: Mechanical, °C 210
320
Melting Completion (Liquidus), °C 1100
1660
Melting Onset (Solidus), °C 1080
1610
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 170
22
Thermal Expansion, µm/m-K 17
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
7.1

Otherwise Unclassified Properties

Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 2.9
49
Embodied Energy, MJ/kg 45
840
Embodied Water, L/kg 310
520

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
24
Strength to Weight: Bending, points 16 to 21
26
Thermal Diffusivity, mm2/s 49
8.9
Thermal Shock Resistance, points 18 to 26
30

Alloy Composition

Carbon (C), % 0
0 to 0.1
Copper (Cu), % 92.7 to 97.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.2
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 to 0.050
Oxygen (O), % 0
0 to 0.4
Palladium (Pd), % 0
0.12 to 0.3
Silicon (Si), % 0.25 to 1.2
0
Titanium (Ti), % 0
98.8 to 99.9
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.4