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CR022A Copper vs. Grade 18 Titanium

CR022A copper belongs to the copper alloys classification, while grade 18 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR022A copper and the bottom bar is grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
11 to 17
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 230
690 to 980
Tensile Strength: Yield (Proof), MPa 140
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
330
Melting Completion (Liquidus), °C 1090
1640
Melting Onset (Solidus), °C 1040
1590
Specific Heat Capacity, J/kg-K 390
550
Thermal Conductivity, W/m-K 380
8.3
Thermal Expansion, µm/m-K 17
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.7

Otherwise Unclassified Properties

Density, g/cm3 9.0
4.5
Embodied Carbon, kg CO2/kg material 2.6
41
Embodied Energy, MJ/kg 41
670
Embodied Water, L/kg 310
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 83
1380 to 3110
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 7.1
43 to 61
Strength to Weight: Bending, points 9.3
39 to 49
Thermal Diffusivity, mm2/s 110
3.4
Thermal Shock Resistance, points 8.1
47 to 67

Alloy Composition


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Aluminum (Al), % 0
2.5 to 3.5
Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 99.99 to 99.999
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.0010
0 to 0.25
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0
Nickel (Ni), % 0 to 0.0010
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0.0010 to 0.0060
0
Selenium (Se), % 0 to 0.00020
0
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.00010
0
Residuals, % 0
0 to 0.4