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Grade 7 Titanium vs. C81500 Copper

Grade 7 titanium belongs to the titanium alloys classification, while C81500 copper belongs to the copper alloys. There are 28 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 grade 7 titanium and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
110
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 24
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 38
44
Tensile Strength: Ultimate (UTS), MPa 420
350
Tensile Strength: Yield (Proof), MPa 340
280

Thermal Properties

Latent Heat of Fusion, J/g 420
210
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
1090
Melting Onset (Solidus), °C 1610
1080
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 22
320
Thermal Expansion, µm/m-K 9.2
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
82
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
83

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 47
2.6
Embodied Energy, MJ/kg 800
41
Embodied Water, L/kg 470
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
56
Resilience: Unit (Modulus of Resilience), kJ/m3 560
330
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 26
11
Strength to Weight: Bending, points 28
12
Thermal Diffusivity, mm2/s 8.9
91
Thermal Shock Resistance, points 31
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 0
97.4 to 99.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.12 to 0.25
0
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 98.7 to 99.88
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5