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C74500 Nickel Silver vs. C43000 Brass

Both C74500 nickel silver and C43000 brass are copper alloys. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is C74500 nickel silver and the bottom bar is C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.0 to 24
3.0 to 55
Poisson's Ratio 0.32
0.33
Rockwell B Hardness 66 to 94
30 to 100
Rockwell Superficial 30T Hardness 60 to 79
57 to 86
Shear Modulus, GPa 44
42
Shear Strength, MPa 310 to 380
230 to 410
Tensile Strength: Ultimate (UTS), MPa 390 to 700
320 to 710
Tensile Strength: Yield (Proof), MPa 380 to 600
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1020
1030
Melting Onset (Solidus), °C 970
1000
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 45
120
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
28

Otherwise Unclassified Properties

Base Metal Price, % relative 29
29
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 54
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 160
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
82 to 1350
Stiffness to Weight: Axial, points 7.7
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 23
10 to 23
Strength to Weight: Bending, points 14 to 21
12 to 20
Thermal Diffusivity, mm2/s 14
36
Thermal Shock Resistance, points 13 to 23
11 to 25

Alloy Composition


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Copper (Cu), % 63.5 to 66.5
84 to 87
Iron (Fe), % 0 to 0.25
0 to 0.050
Lead (Pb), % 0 to 0.1
0 to 0.1
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0
Tin (Sn), % 0
1.7 to 2.7
Zinc (Zn), % 21.2 to 27.5
9.7 to 14.3
Residuals, % 0 to 0.5
0 to 0.5

Comparable Variants