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C74500 Nickel Silver vs. C90500 Gun Metal

Both C74500 nickel silver and C90500 gun metal are copper alloys. They have 68% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C74500 nickel silver and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.0 to 24
20
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 390 to 700
320
Tensile Strength: Yield (Proof), MPa 380 to 600
160

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1020
1000
Melting Onset (Solidus), °C 970
850
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 45
75
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 3.4
3.6
Embodied Energy, MJ/kg 54
59
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 160
54
Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
110
Stiffness to Weight: Axial, points 7.7
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 23
10
Strength to Weight: Bending, points 14 to 21
12
Thermal Diffusivity, mm2/s 14
23
Thermal Shock Resistance, points 13 to 23
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 63.5 to 66.5
86 to 89
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0 to 0.1
0 to 0.3
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 21.2 to 27.5
1.0 to 3.0
Residuals, % 0 to 0.5
0 to 0.3