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C77400 Nickel Silver vs. C87500 Brass

Both C77400 nickel silver and C87500 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 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C77400 nickel silver and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
18
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 570
460
Tensile Strength: Yield (Proof), MPa 250
190

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
67
Resilience: Unit (Modulus of Resilience), kJ/m3 290
160
Stiffness to Weight: Axial, points 7.7
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
16
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Copper (Cu), % 43 to 47
79 to 85
Lead (Pb), % 0 to 0.2
0 to 0.5
Nickel (Ni), % 9.0 to 11
0
Silicon (Si), % 0
3.0 to 5.0
Zinc (Zn), % 41.3 to 48
12 to 16
Residuals, % 0
0 to 0.5