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AWS ENiCu-7 vs. C75400 Nickel Silver

AWS ENiCu-7 belongs to the nickel alloys classification, while C75400 nickel silver belongs to the copper alloys. They have 45% of their average alloy composition in common. 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 AWS ENiCu-7 and the bottom bar is C75400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
120
Elongation at Break, % 34
2.0 to 43
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 62
46
Tensile Strength: Ultimate (UTS), MPa 550
370 to 630

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Melting Completion (Liquidus), °C 1270
1080
Melting Onset (Solidus), °C 1230
1040
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 21
36
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 50
32
Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 8.0
3.8
Embodied Energy, MJ/kg 110
59
Embodied Water, L/kg 250
300

Common Calculations

Stiffness to Weight: Axial, points 10
7.9
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 17
12 to 21
Strength to Weight: Bending, points 17
13 to 19
Thermal Diffusivity, mm2/s 5.5
11
Thermal Shock Resistance, points 18
12 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 20.6 to 38
63.5 to 66.5
Iron (Fe), % 0 to 2.5
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 4.0
0 to 0.5
Nickel (Ni), % 62 to 69
14 to 16
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 1.0
0
Zinc (Zn), % 0
16.2 to 22.5
Residuals, % 0
0 to 0.5