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C18100 Copper vs. Grade 37 Titanium

C18100 copper belongs to the copper alloys classification, while grade 37 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C18100 copper and the bottom bar is grade 37 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 8.3
22
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 47
40
Shear Strength, MPa 300
240
Tensile Strength: Ultimate (UTS), MPa 510
390
Tensile Strength: Yield (Proof), MPa 460
250

Thermal Properties

Latent Heat of Fusion, J/g 210
420
Maximum Temperature: Mechanical, °C 200
310
Melting Completion (Liquidus), °C 1080
1650
Melting Onset (Solidus), °C 1020
1600
Specific Heat Capacity, J/kg-K 390
550
Thermal Conductivity, W/m-K 320
21
Thermal Expansion, µm/m-K 17
8.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 81
6.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 2.7
31
Embodied Energy, MJ/kg 43
500
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
76
Resilience: Unit (Modulus of Resilience), kJ/m3 900
280
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 94
8.4
Thermal Shock Resistance, points 18
29

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.7 to 99.49
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.3
Magnesium (Mg), % 0.030 to 0.060
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Titanium (Ti), % 0
96.9 to 99
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0
0 to 0.4