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C74500 Nickel Silver vs. C46500 Brass

Both C74500 nickel silver and C46500 brass are copper alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is C74500 nickel silver and the bottom bar is C46500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 3.0 to 24
18 to 50
Poisson's Ratio 0.32
0.31
Rockwell B Hardness 66 to 94
55 to 95
Rockwell Superficial 30T Hardness 60 to 79
55 to 68
Shear Modulus, GPa 44
40
Shear Strength, MPa 310 to 380
280 to 380
Tensile Strength: Ultimate (UTS), MPa 390 to 700
380 to 610
Tensile Strength: Yield (Proof), MPa 380 to 600
190 to 490

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 1020
900
Melting Onset (Solidus), °C 970
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 45
120
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
29

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 54
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 160
99 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
170 to 1170
Stiffness to Weight: Axial, points 7.7
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13 to 23
13 to 21
Strength to Weight: Bending, points 14 to 21
15 to 20
Thermal Diffusivity, mm2/s 14
38
Thermal Shock Resistance, points 13 to 23
13 to 20

Alloy Composition


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Arsenic (As), % 0
0.020 to 0.060
Copper (Cu), % 63.5 to 66.5
59 to 62
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0 to 0.1
0 to 0.2
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 21.2 to 27.5
36.2 to 40.5
Residuals, % 0 to 0.5
0 to 0.4

Comparable Variants