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C81500 Copper vs. Grade 38 Titanium

C81500 copper belongs to the copper alloys classification, while grade 38 titanium belongs to the titanium 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 C81500 copper and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
11
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 350
1000
Tensile Strength: Yield (Proof), MPa 280
910

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
330
Melting Completion (Liquidus), °C 1090
1620
Melting Onset (Solidus), °C 1080
1570
Specific Heat Capacity, J/kg-K 390
550
Thermal Conductivity, W/m-K 320
8.0
Thermal Expansion, µm/m-K 17
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 2.6
35
Embodied Energy, MJ/kg 41
560
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
110
Resilience: Unit (Modulus of Resilience), kJ/m3 330
3840
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 11
62
Strength to Weight: Bending, points 12
49
Thermal Diffusivity, mm2/s 91
3.2
Thermal Shock Resistance, points 12
72

Alloy Composition

Aluminum (Al), % 0 to 0.1
3.5 to 4.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
1.2 to 1.8
Lead (Pb), % 0 to 0.020
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
89.9 to 93.1
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4