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C87900 Brass vs. C97400 Nickel Silver

Both C87900 brass and C97400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 75% of their average alloy composition in common. There are 28 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 C87900 brass and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
20
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 480
260
Tensile Strength: Yield (Proof), MPa 240
120

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 930
1100
Melting Onset (Solidus), °C 900
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
27
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
8.6
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 46
64
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
43
Resilience: Unit (Modulus of Resilience), kJ/m3 270
59
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
8.5
Strength to Weight: Bending, points 17
11
Thermal Diffusivity, mm2/s 37
8.3
Thermal Shock Resistance, points 16
8.8

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
58 to 61
Iron (Fe), % 0 to 0.4
0 to 1.5
Lead (Pb), % 0 to 0.25
4.5 to 5.5
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.5
15.5 to 17
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
2.5 to 3.5
Zinc (Zn), % 30 to 36
10 to 19.5
Residuals, % 0
0 to 1.0