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C75700 Nickel Silver vs. C87800 Brass

Both C75700 nickel silver and C87800 brass are copper alloys. They have 80% 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 C75700 nickel silver and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.2 to 22
25
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 590 to 610
590
Tensile Strength: Yield (Proof), MPa 470 to 580
350

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1040
920
Melting Onset (Solidus), °C 990
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 40
28
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
27
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 56
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
540
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 20
20
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 12
8.3
Thermal Shock Resistance, points 22 to 23
21

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), % 63.5 to 66.5
80 to 84.2
Iron (Fe), % 0 to 0.25
0 to 0.15
Lead (Pb), % 0 to 0.050
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 11 to 13
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 19.2 to 25.5
12 to 16
Residuals, % 0 to 0.5
0 to 0.5