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C81500 Copper vs. Grade 23 Titanium

C81500 copper belongs to the copper alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C81500 copper and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
6.7 to 11
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 350
930 to 940
Tensile Strength: Yield (Proof), MPa 280
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
340
Melting Completion (Liquidus), °C 1090
1610
Melting Onset (Solidus), °C 1080
1560
Specific Heat Capacity, J/kg-K 390
560
Thermal Conductivity, W/m-K 320
7.1
Thermal Expansion, µm/m-K 17
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 8.9
4.4
Embodied Carbon, kg CO2/kg material 2.6
38
Embodied Energy, MJ/kg 41
610
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 330
3430 to 3560
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 11
58 to 59
Strength to Weight: Bending, points 12
48
Thermal Diffusivity, mm2/s 91
2.9
Thermal Shock Resistance, points 12
67 to 68

Alloy Composition

Aluminum (Al), % 0 to 0.1
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.020
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4