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C72500 Copper-nickel vs. AWS ERTi-2

C72500 copper-nickel belongs to the copper alloys classification, while AWS ERTi-2 belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C72500 copper-nickel and the bottom bar is AWS ERTi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 420 to 780
340

Thermal Properties

Latent Heat of Fusion, J/g 210
420
Maximum Temperature: Mechanical, °C 210
320
Melting Completion (Liquidus), °C 1130
1670
Melting Onset (Solidus), °C 1060
1620
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 54
21
Thermal Expansion, µm/m-K 17
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 35
37
Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 3.6
31
Embodied Energy, MJ/kg 55
510
Embodied Water, L/kg 320
110

Common Calculations

Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 13 to 24
21
Strength to Weight: Bending, points 14 to 21
24
Thermal Diffusivity, mm2/s 16
8.7
Thermal Shock Resistance, points 14 to 27
27

Alloy Composition

Carbon (C), % 0
0 to 0.030
Copper (Cu), % 85.2 to 89.7
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 0.6
0 to 0.12
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10.5
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Tin (Sn), % 1.8 to 2.8
0
Titanium (Ti), % 0
99.667 to 99.92
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.2
0