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C68000 Brass vs. C77600 Nickel Silver

Both C68000 brass and C77600 nickel silver are copper alloys. They have 84% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C68000 brass and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 27
30
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 390
630
Tensile Strength: Yield (Proof), MPa 140
320

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
140
Melting Completion (Liquidus), °C 880
830
Melting Onset (Solidus), °C 870
790
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 48
60
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
160
Resilience: Unit (Modulus of Resilience), kJ/m3 95
470
Stiffness to Weight: Axial, points 7.3
7.9
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 14
22
Strength to Weight: Bending, points 15
21
Thermal Shock Resistance, points 13
20

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Copper (Cu), % 56 to 60
42 to 45
Iron (Fe), % 0.25 to 1.3
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.25
Manganese (Mn), % 0.010 to 0.5
0 to 0.25
Nickel (Ni), % 0.2 to 0.8
12 to 14
Silicon (Si), % 0.040 to 0.15
0
Tin (Sn), % 0.75 to 1.1
0 to 0.15
Zinc (Zn), % 35.6 to 42.8
39.7 to 46
Residuals, % 0
0 to 0.5