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C72800 Copper-nickel vs. AWS ERTi-5

C72800 copper-nickel belongs to the copper alloys classification, while AWS ERTi-5 belongs to the titanium alloys. There are 28 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 AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.9 to 23
10
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
900
Tensile Strength: Yield (Proof), MPa 250 to 1210
830

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
340
Melting Completion (Liquidus), °C 1080
1610
Melting Onset (Solidus), °C 920
1560
Specific Heat Capacity, J/kg-K 380
560
Thermal Conductivity, W/m-K 55
7.1
Thermal Expansion, µm/m-K 17
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 38
36
Density, g/cm3 8.8
4.4
Embodied Carbon, kg CO2/kg material 4.4
38
Embodied Energy, MJ/kg 68
610
Embodied Water, L/kg 360
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
87
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
3250
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 17 to 40
56
Strength to Weight: Bending, points 16 to 30
46
Thermal Diffusivity, mm2/s 17
2.9
Thermal Shock Resistance, points 19 to 45
63

Alloy Composition

Aluminum (Al), % 0 to 0.1
5.5 to 6.8
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 0.050
Copper (Cu), % 78.3 to 82.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.22
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
0.12 to 0.2
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
88.2 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.3
0