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AWS ENiCu-7 vs. C97800 Nickel Silver

AWS ENiCu-7 belongs to the nickel alloys classification, while C97800 nickel silver belongs to the copper alloys. They have 56% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
130
Elongation at Break, % 34
10
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 62
48
Tensile Strength: Ultimate (UTS), MPa 550
370

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Melting Completion (Liquidus), °C 1270
1180
Melting Onset (Solidus), °C 1230
1140
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 21
25
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 50
40
Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 8.0
5.1
Embodied Energy, MJ/kg 110
76
Embodied Water, L/kg 250
330

Common Calculations

Stiffness to Weight: Axial, points 10
8.1
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 17
12
Strength to Weight: Bending, points 17
13
Thermal Diffusivity, mm2/s 5.5
7.3
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0 to 0.75
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 20.6 to 38
64 to 67
Iron (Fe), % 0 to 2.5
0 to 1.5
Lead (Pb), % 0
1.0 to 2.5
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
24 to 27
Phosphorus (P), % 0 to 0.020
0 to 0.050
Silicon (Si), % 0 to 1.5
0 to 0.15
Sulfur (S), % 0 to 0.015
0 to 0.080
Tin (Sn), % 0
4.0 to 5.5
Titanium (Ti), % 0 to 1.0
0
Zinc (Zn), % 0
1.0 to 4.0
Residuals, % 0
0 to 0.4