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C72800 Copper-nickel vs. Grade 38 Titanium

C72800 copper-nickel belongs to the copper alloys classification, while grade 38 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 C72800 copper-nickel 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, % 3.9 to 23
11
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
40
Shear Strength, MPa 330 to 740
600
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
1000
Tensile Strength: Yield (Proof), MPa 250 to 1210
910

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
330
Melting Completion (Liquidus), °C 1080
1620
Melting Onset (Solidus), °C 920
1570
Specific Heat Capacity, J/kg-K 380
550
Thermal Conductivity, W/m-K 55
8.0
Thermal Expansion, µm/m-K 17
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 38
36
Density, g/cm3 8.8
4.5
Embodied Carbon, kg CO2/kg material 4.4
35
Embodied Energy, MJ/kg 68
560
Embodied Water, L/kg 360
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
110
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
3840
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 17 to 40
62
Strength to Weight: Bending, points 16 to 30
49
Thermal Diffusivity, mm2/s 17
3.2
Thermal Shock Resistance, points 19 to 45
72

Alloy Composition

Aluminum (Al), % 0 to 0.1
3.5 to 4.5
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0
Boron (B), % 0 to 0.0010
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 78.3 to 82.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
1.2 to 1.8
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 9.5 to 10.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0 to 0.010
89.9 to 93.1
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.4