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C71500 Copper-nickel vs. Grade 33 Titanium

C71500 copper-nickel belongs to the copper alloys classification, while grade 33 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is grade 33 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 52
41
Tensile Strength: Ultimate (UTS), MPa 380 to 620
390

Thermal Properties

Latent Heat of Fusion, J/g 230
420
Maximum Temperature: Mechanical, °C 260
320
Melting Completion (Liquidus), °C 1240
1660
Melting Onset (Solidus), °C 1170
1610
Specific Heat Capacity, J/kg-K 400
540
Thermal Conductivity, W/m-K 28
21
Thermal Expansion, µm/m-K 16
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 41
55
Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 5.1
33
Embodied Energy, MJ/kg 74
530
Embodied Water, L/kg 280
200

Common Calculations

Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 12 to 19
24
Strength to Weight: Bending, points 13 to 18
26
Thermal Diffusivity, mm2/s 7.7
8.7
Thermal Shock Resistance, points 12 to 20
30

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
0.1 to 0.2
Copper (Cu), % 63.5 to 70.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0.4 to 1.0
0 to 0.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 29 to 33
0.35 to 0.55
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.010 to 0.020
Ruthenium (Ru), % 0
0.020 to 0.040
Titanium (Ti), % 0
98.1 to 99.52
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.4