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C74000 Nickel Silver vs. AWS ENiCu-7

C74000 nickel silver belongs to the copper alloys classification, while AWS ENiCu-7 belongs to the nickel alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C74000 nickel silver and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
160
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 44
62
Tensile Strength: Ultimate (UTS), MPa 380 to 590
550

Thermal Properties

Latent Heat of Fusion, J/g 200
280
Melting Completion (Liquidus), °C 990
1270
Melting Onset (Solidus), °C 950
1230
Specific Heat Capacity, J/kg-K 390
430
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 42
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
50
Density, g/cm3 8.5
8.7
Embodied Carbon, kg CO2/kg material 3.4
8.0
Embodied Energy, MJ/kg 54
110
Embodied Water, L/kg 310
250

Common Calculations

Stiffness to Weight: Axial, points 7.7
10
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 13 to 19
17
Strength to Weight: Bending, points 14 to 18
17
Thermal Shock Resistance, points 13 to 19
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.75
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 69 to 73.5
20.6 to 38
Iron (Fe), % 0 to 0.25
0 to 2.5
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 4.0
Nickel (Ni), % 9.0 to 11
62 to 69
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 14.2 to 22
0
Residuals, % 0
0 to 0.5