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C97800 Nickel Silver vs. C97600 Dairy Metal

Both C97800 nickel silver and C97600 dairy metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is C97800 nickel silver and the bottom bar is C97600 dairy metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Elongation at Break, % 10
11
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 48
46
Tensile Strength: Ultimate (UTS), MPa 370
310
Tensile Strength: Yield (Proof), MPa 170
140

Thermal Properties

Latent Heat of Fusion, J/g 220
210
Maximum Temperature: Mechanical, °C 230
210
Melting Completion (Liquidus), °C 1180
1140
Melting Onset (Solidus), °C 1140
1110
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 25
22
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.0
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 40
37
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 5.1
4.6
Embodied Energy, MJ/kg 76
69
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
29
Resilience: Unit (Modulus of Resilience), kJ/m3 120
85
Stiffness to Weight: Axial, points 8.1
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
9.8
Strength to Weight: Bending, points 13
12
Thermal Diffusivity, mm2/s 7.3
6.5
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.25
Copper (Cu), % 64 to 67
63 to 67
Iron (Fe), % 0 to 1.5
0 to 1.5
Lead (Pb), % 1.0 to 2.5
3.0 to 5.0
Nickel (Ni), % 24 to 27
19 to 21.5
Phosphorus (P), % 0 to 0.050
0 to 0.050
Silicon (Si), % 0 to 0.15
0 to 0.15
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 4.0 to 5.5
3.5 to 4.0
Zinc (Zn), % 1.0 to 4.0
3.0 to 9.0
Residuals, % 0
0 to 0.3