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C87900 Brass vs. C75200 Nickel Silver

Both C87900 brass and C75200 nickel silver are copper alloys. They have 82% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is C75200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.31
0.32
Rockwell B Hardness 70
63 to 93
Shear Modulus, GPa 41
47
Tensile Strength: Ultimate (UTS), MPa 480
400 to 660

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 930
1110
Melting Onset (Solidus), °C 900
1070
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
33
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
33
Density, g/cm3 8.1
8.5
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 46
62
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.3
8.0
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
13 to 21
Strength to Weight: Bending, points 17
14 to 20
Thermal Diffusivity, mm2/s 37
9.8
Thermal Shock Resistance, points 16
13 to 22

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), % 63 to 69.2
63.5 to 66.5
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 0 to 0.25
0 to 0.050
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.5
16.5 to 19.5
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
12.7 to 20
Residuals, % 0
0 to 0.5