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C12900 Copper vs. Grade 7 Titanium

C12900 copper belongs to the copper alloys classification, while grade 7 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 C12900 copper and the bottom bar is grade 7 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.8 to 50
24
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
38
Shear Strength, MPa 150 to 210
270
Tensile Strength: Ultimate (UTS), MPa 220 to 420
420
Tensile Strength: Yield (Proof), MPa 75 to 380
340

Thermal Properties

Latent Heat of Fusion, J/g 210
420
Maximum Temperature: Mechanical, °C 200
320
Melting Completion (Liquidus), °C 1080
1660
Melting Onset (Solidus), °C 1030
1610
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 380
22
Thermal Expansion, µm/m-K 17
9.2

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.0
4.5
Embodied Carbon, kg CO2/kg material 2.6
47
Embodied Energy, MJ/kg 41
800
Embodied Water, L/kg 330
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 88
95
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 640
560
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 6.8 to 13
26
Strength to Weight: Bending, points 9.1 to 14
28
Thermal Diffusivity, mm2/s 110
8.9
Thermal Shock Resistance, points 7.8 to 15
31

Alloy Composition

Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 99.88 to 100
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0 to 0.0040
0
Nickel (Ni), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.12 to 0.25
Silver (Ag), % 0 to 0.054
0
Tellurium (Te), % 0 to 0.025
0
Titanium (Ti), % 0
98.7 to 99.88
Residuals, % 0
0 to 0.4