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C75700 Nickel Silver vs. C68000 Brass

Both C75700 nickel silver and C68000 brass are copper alloys. They have 82% 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 C75700 nickel silver and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 3.2 to 22
27
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 590 to 610
390
Tensile Strength: Yield (Proof), MPa 470 to 580
140

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 1040
880
Melting Onset (Solidus), °C 990
870
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 40
96
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 56
48
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
82
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
95
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19 to 20
14
Strength to Weight: Bending, points 19
15
Thermal Diffusivity, mm2/s 12
31
Thermal Shock Resistance, points 22 to 23
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Copper (Cu), % 63.5 to 66.5
56 to 60
Iron (Fe), % 0 to 0.25
0.25 to 1.3
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.5
0.010 to 0.5
Nickel (Ni), % 11 to 13
0.2 to 0.8
Silicon (Si), % 0
0.040 to 0.15
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 19.2 to 25.5
35.6 to 42.8
Residuals, % 0 to 0.5
0 to 0.5