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C97800 Nickel Silver vs. C68000 Brass

Both C97800 nickel silver and C68000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common. There are 26 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 C97800 nickel silver and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
100
Elongation at Break, % 10
27
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 48
40
Tensile Strength: Ultimate (UTS), MPa 370
390
Tensile Strength: Yield (Proof), MPa 170
140

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 230
120
Melting Completion (Liquidus), °C 1180
880
Melting Onset (Solidus), °C 1140
870
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 25
96
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 40
23
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 5.1
2.8
Embodied Energy, MJ/kg 76
48
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
82
Resilience: Unit (Modulus of Resilience), kJ/m3 120
95
Stiffness to Weight: Axial, points 8.1
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12
14
Strength to Weight: Bending, points 13
15
Thermal Diffusivity, mm2/s 7.3
31
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 64 to 67
56 to 60
Iron (Fe), % 0 to 1.5
0.25 to 1.3
Lead (Pb), % 1.0 to 2.5
0 to 0.050
Manganese (Mn), % 0
0.010 to 0.5
Nickel (Ni), % 24 to 27
0.2 to 0.8
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.15
0.040 to 0.15
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 5.5
0.75 to 1.1
Zinc (Zn), % 1.0 to 4.0
35.6 to 42.8
Residuals, % 0
0 to 0.5