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C43000 Brass vs. C79600 Nickel Silver

Both C43000 brass and C79600 nickel silver are copper alloys. They have 57% of their average alloy composition in common. There are 30 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 C43000 brass and the bottom bar is C79600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 3.0 to 55
15
Poisson's Ratio 0.33
0.3
Rockwell B Hardness 30 to 100
70
Shear Modulus, GPa 42
43
Shear Strength, MPa 230 to 410
290
Tensile Strength: Ultimate (UTS), MPa 320 to 710
480
Tensile Strength: Yield (Proof), MPa 130 to 550
300

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1030
930
Melting Onset (Solidus), °C 1000
880
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
36
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 28
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 46
57
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
63
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
400
Stiffness to Weight: Axial, points 7.1
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10 to 23
17
Strength to Weight: Bending, points 12 to 20
17
Thermal Diffusivity, mm2/s 36
12
Thermal Shock Resistance, points 11 to 25
15

Alloy Composition

Copper (Cu), % 84 to 87
43.5 to 46.5
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.1
0.8 to 1.2
Manganese (Mn), % 0
1.5 to 2.5
Nickel (Ni), % 0
9.0 to 11
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
38.3 to 45.2
Residuals, % 0
0 to 0.5