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C84200 Brass vs. C78200 Nickel Silver

Both C84200 brass and C78200 nickel silver are copper alloys. They have 81% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C84200 brass and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
3.0 to 40
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 250
370 to 630
Tensile Strength: Yield (Proof), MPa 120
170 to 570

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 990
1000
Melting Onset (Solidus), °C 840
970
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 72
48
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
11
Electrical Conductivity: Equal Weight (Specific), % IACS 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.5
8.4
Embodied Carbon, kg CO2/kg material 3.1
3.3
Embodied Energy, MJ/kg 51
52
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
18 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 72
130 to 1440
Stiffness to Weight: Axial, points 6.9
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.2
12 to 21
Strength to Weight: Bending, points 10
14 to 19
Thermal Diffusivity, mm2/s 23
15
Thermal Shock Resistance, points 9.1
12 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
63 to 67
Iron (Fe), % 0 to 0.4
0 to 0.35
Lead (Pb), % 2.0 to 3.0
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.8
7.0 to 9.0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 10 to 16
20.2 to 28.5
Residuals, % 0
0 to 0.5