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C28500 Muntz Metal vs. C74000 Nickel Silver

Both C28500 Muntz Metal and C74000 nickel silver are copper alloys. They have 77% of their average alloy composition in common. There are 23 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 C28500 Muntz Metal and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.3
0.32
Rockwell B Hardness 150
70 to 88
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 520
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 110
180
Melting Completion (Liquidus), °C 900
990
Melting Onset (Solidus), °C 890
950
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
40
Electrical Conductivity: Equal Weight (Specific), % IACS 33
42

Otherwise Unclassified Properties

Base Metal Price, % relative 22
30
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 46
54
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 18
13 to 19
Strength to Weight: Bending, points 18
14 to 18
Thermal Shock Resistance, points 17
13 to 19

Alloy Composition

Copper (Cu), % 57 to 59
69 to 73.5
Iron (Fe), % 0 to 0.35
0 to 0.25
Lead (Pb), % 0 to 0.25
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.0 to 11
Zinc (Zn), % 39.5 to 43
14.2 to 22
Residuals, % 0
0 to 0.5