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C28500 Muntz Metal vs. C74400 Nickel Silver

Both C28500 Muntz Metal and C74400 nickel silver are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
43
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 40
39
Shear Strength, MPa 320
240
Tensile Strength: Ultimate (UTS), MPa 520
350
Tensile Strength: Yield (Proof), MPa 380
120

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 110
140
Melting Completion (Liquidus), °C 900
930
Melting Onset (Solidus), °C 890
910
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
26
Electrical Conductivity: Equal Weight (Specific), % IACS 33
29

Otherwise Unclassified Properties

Base Metal Price, % relative 22
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 46
48
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
120
Resilience: Unit (Modulus of Resilience), kJ/m3 700
63
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 18
12
Strength to Weight: Bending, points 18
14
Thermal Diffusivity, mm2/s 33
37
Thermal Shock Resistance, points 17
12

Alloy Composition

Copper (Cu), % 57 to 59
62 to 66
Iron (Fe), % 0 to 0.35
0 to 0.050
Lead (Pb), % 0 to 0.25
0 to 0.050
Nickel (Ni), % 0
2.0 to 4.0
Zinc (Zn), % 39.5 to 43
29.6 to 36
Residuals, % 0
0 to 0.3