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Grade 37 Titanium vs. C70250 Copper

Grade 37 titanium belongs to the titanium alloys classification, while C70250 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 37 titanium and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 390
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 420
220
Maximum Temperature: Mechanical, °C 310
210
Melting Completion (Liquidus), °C 1650
1100
Melting Onset (Solidus), °C 1600
1080
Specific Heat Capacity, J/kg-K 550
390
Thermal Conductivity, W/m-K 21
170
Thermal Expansion, µm/m-K 8.9
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 6.8
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 31
2.9
Embodied Energy, MJ/kg 500
45
Embodied Water, L/kg 120
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 24
16 to 23
Strength to Weight: Bending, points 26
16 to 21
Thermal Diffusivity, mm2/s 8.4
49
Thermal Shock Resistance, points 29
18 to 26

Alloy Composition

Aluminum (Al), % 1.0 to 2.0
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
92.7 to 97.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
2.2 to 4.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
0.25 to 1.2
Titanium (Ti), % 96.9 to 99
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5