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C81500 Copper vs. Grade 31 Titanium

C81500 copper belongs to the copper alloys classification, while grade 31 titanium belongs to the titanium alloys. There are 27 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 C81500 copper and the bottom bar is grade 31 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
20
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 350
510
Tensile Strength: Yield (Proof), MPa 280
450

Thermal Properties

Latent Heat of Fusion, J/g 210
420
Maximum Temperature: Mechanical, °C 200
320
Melting Completion (Liquidus), °C 1090
1660
Melting Onset (Solidus), °C 1080
1610
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 320
21
Thermal Expansion, µm/m-K 17
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 83
6.9

Otherwise Unclassified Properties

Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 2.6
36
Embodied Energy, MJ/kg 41
600
Embodied Water, L/kg 310
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
99
Resilience: Unit (Modulus of Resilience), kJ/m3 330
940
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 11
32
Strength to Weight: Bending, points 12
32
Thermal Diffusivity, mm2/s 91
8.5
Thermal Shock Resistance, points 12
39

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.4 to 1.5
0
Cobalt (Co), % 0
0.2 to 0.8
Copper (Cu), % 97.4 to 99.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.3
Lead (Pb), % 0 to 0.020
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
97.9 to 99.76
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4