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C17500 Copper vs. Grade 31 Titanium

C17500 copper belongs to the copper alloys classification, while grade 31 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 C17500 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, % 6.0 to 30
20
Fatigue Strength, MPa 170 to 310
300
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 45
41
Shear Strength, MPa 200 to 520
320
Tensile Strength: Ultimate (UTS), MPa 310 to 860
510
Tensile Strength: Yield (Proof), MPa 170 to 760
450

Thermal Properties

Latent Heat of Fusion, J/g 220
420
Maximum Temperature: Mechanical, °C 220
320
Melting Completion (Liquidus), °C 1060
1660
Melting Onset (Solidus), °C 1020
1610
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 200
21
Thermal Expansion, µm/m-K 18
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 53
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 24 to 54
6.9

Otherwise Unclassified Properties

Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 4.7
36
Embodied Energy, MJ/kg 73
600
Embodied Water, L/kg 320
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
99
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 2390
940
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 9.7 to 27
32
Strength to Weight: Bending, points 11 to 23
32
Thermal Diffusivity, mm2/s 59
8.5
Thermal Shock Resistance, points 11 to 29
39

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.080
Cobalt (Co), % 2.4 to 2.7
0.2 to 0.8
Copper (Cu), % 95.6 to 97.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.3
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 0.2
0
Titanium (Ti), % 0
97.9 to 99.76
Residuals, % 0
0 to 0.4