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Grade 20 Titanium vs. C70250 Copper

Grade 20 titanium belongs to the titanium alloys classification, while C70250 copper belongs to the copper 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 grade 20 titanium and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
92.7 to 97.5
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
2.2 to 4.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0.25 to 1.2
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 1.0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.5

Comparable Variants