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C77400 Nickel Silver vs. C74000 Nickel Silver

Both C77400 nickel silver and C74000 nickel silver are copper alloys. They have 73% of their average alloy composition in common. There are 23 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 C77400 nickel silver and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.3
0.32
Rockwell B Hardness 73
70 to 88
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 570
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 810
990
Melting Onset (Solidus), °C 770
950
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
40
Electrical Conductivity: Equal Weight (Specific), % IACS 31
42

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 3.5
3.4
Embodied Energy, MJ/kg 57
54
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.7
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
13 to 19
Strength to Weight: Bending, points 19
14 to 18
Thermal Shock Resistance, points 18
13 to 19

Alloy Composition

Copper (Cu), % 43 to 47
69 to 73.5
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0 to 0.2
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 11
9.0 to 11
Zinc (Zn), % 41.3 to 48
14.2 to 22
Residuals, % 0
0 to 0.5