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C87800 Brass vs. C74000 Nickel Silver

Both C87800 brass and C74000 nickel silver are copper alloys. They have 86% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C87800 brass and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.32
Rockwell B Hardness 86
70 to 88
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 590
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 920
990
Melting Onset (Solidus), °C 820
950
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
40
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
42

Otherwise Unclassified Properties

Base Metal Price, % relative 27
30
Density, g/cm3 8.3
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 44
54
Embodied Water, L/kg 300
310

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 20
13 to 19
Strength to Weight: Bending, points 19
14 to 18
Thermal Shock Resistance, points 21
13 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 80 to 84.2
69 to 73.5
Iron (Fe), % 0 to 0.15
0 to 0.25
Lead (Pb), % 0 to 0.15
0 to 0.1
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.2
9.0 to 11
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 3.8 to 4.2
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 12 to 16
14.2 to 22
Residuals, % 0
0 to 0.5