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C78200 Nickel Silver vs. C87900 Brass

Both C78200 nickel silver and C87900 brass are copper alloys. They have 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C78200 nickel silver and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 3.0 to 40
25
Poisson's Ratio 0.32
0.31
Rockwell B Hardness 65 to 90
70
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 370 to 630
480
Tensile Strength: Yield (Proof), MPa 170 to 570
240

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 1000
930
Melting Onset (Solidus), °C 970
900
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 48
120
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
15
Electrical Conductivity: Equal Weight (Specific), % IACS 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 52
46
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1440
270
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12 to 21
17
Strength to Weight: Bending, points 14 to 19
17
Thermal Diffusivity, mm2/s 15
37
Thermal Shock Resistance, points 12 to 21
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 63 to 67
63 to 69.2
Iron (Fe), % 0 to 0.35
0 to 0.4
Lead (Pb), % 1.5 to 2.5
0 to 0.25
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 7.0 to 9.0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 20.2 to 28.5
30 to 36
Residuals, % 0 to 0.5
0