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C87900 Brass vs. C73500 Nickel Silver

Both C87900 brass and C73500 nickel silver are copper alloys. They have 76% 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 C73500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.31
0.33
Rockwell B Hardness 70
73 to 88
Shear Modulus, GPa 41
47
Tensile Strength: Ultimate (UTS), MPa 480
380 to 580

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 930
1140
Melting Onset (Solidus), °C 900
1090
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
36
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 17
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
35
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 2.7
4.0
Embodied Energy, MJ/kg 46
61
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
12 to 19
Strength to Weight: Bending, points 17
13 to 18
Thermal Diffusivity, mm2/s 37
10
Thermal Shock Resistance, points 16
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), % 63 to 69.2
70.5 to 73.5
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 0 to 0.25
0 to 0.1
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
5.7 to 13
Residuals, % 0
0 to 0.5