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C70250 Copper vs. Grade 20 Titanium

C70250 copper belongs to the copper alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
47
Tensile Strength: Ultimate (UTS), MPa 520 to 740
900 to 1270

Thermal Properties

Latent Heat of Fusion, J/g 220
400
Maximum Temperature: Mechanical, °C 210
370
Melting Completion (Liquidus), °C 1100
1660
Melting Onset (Solidus), °C 1080
1600
Specific Heat Capacity, J/kg-K 390
520
Thermal Expansion, µm/m-K 17
9.6

Otherwise Unclassified Properties

Density, g/cm3 8.9
5.0
Embodied Carbon, kg CO2/kg material 2.9
52
Embodied Energy, MJ/kg 45
860
Embodied Water, L/kg 310
350

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
33
Strength to Weight: Axial, points 16 to 23
50 to 70
Strength to Weight: Bending, points 16 to 21
41 to 52
Thermal Shock Resistance, points 18 to 26
55 to 77

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
5.5 to 6.5
Copper (Cu), % 92.7 to 97.5
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 2.2 to 4.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.25 to 1.2
0
Titanium (Ti), % 0
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 1.0
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants