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CR021A Copper vs. Grade 2 Titanium

CR021A copper belongs to the copper alloys classification, while grade 2 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.

For each property being compared, the top bar is CR021A copper and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
23
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
38
Tensile Strength: Ultimate (UTS), MPa 230
420
Tensile Strength: Yield (Proof), MPa 140
360

Thermal Properties

Latent Heat of Fusion, J/g 210
420
Maximum Temperature: Mechanical, °C 200
320
Melting Completion (Liquidus), °C 1090
1660
Melting Onset (Solidus), °C 1040
1610
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 380
22
Thermal Expansion, µm/m-K 17
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 99
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
37
Density, g/cm3 9.0
4.5
Embodied Carbon, kg CO2/kg material 2.6
31
Embodied Energy, MJ/kg 41
510
Embodied Water, L/kg 320
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
92
Resilience: Unit (Modulus of Resilience), kJ/m3 83
600
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 7.1
26
Strength to Weight: Bending, points 9.3
28
Thermal Diffusivity, mm2/s 110
8.9
Thermal Shock Resistance, points 8.1
32

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 99.95 to 99.998
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0 to 0.0050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0.0020 to 0.0070
0
Silver (Ag), % 0 to 0.015
0
Titanium (Ti), % 0
98.9 to 100
Residuals, % 0
0 to 0.4