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C77400 Nickel Silver vs. C87800 Brass

Both C77400 nickel silver and C87800 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 59% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C77400 nickel silver and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
25
Poisson's Ratio 0.3
0.33
Rockwell B Hardness 73
86
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 570
590
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 810
920
Melting Onset (Solidus), °C 770
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 31
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
27
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 57
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 290
540
Stiffness to Weight: Axial, points 7.7
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 18
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), % 43 to 47
80 to 84.2
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0 to 0.2
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 9.0 to 11
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), % 41.3 to 48
12 to 16
Residuals, % 0
0 to 0.5