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C97400 Nickel Silver vs. CC762S Brass

Both C97400 nickel silver and CC762S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is C97400 nickel silver and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
210
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 20
7.3
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 44
43
Tensile Strength: Ultimate (UTS), MPa 260
840
Tensile Strength: Yield (Proof), MPa 120
540

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 1100
920
Melting Onset (Solidus), °C 1070
870
Specific Heat Capacity, J/kg-K 380
420
Thermal Conductivity, W/m-K 27
51
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
32

Otherwise Unclassified Properties

Base Metal Price, % relative 33
24
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 4.1
3.1
Embodied Energy, MJ/kg 64
51
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
54
Resilience: Unit (Modulus of Resilience), kJ/m3 59
1290
Stiffness to Weight: Axial, points 7.5
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.5
29
Strength to Weight: Bending, points 11
25
Thermal Diffusivity, mm2/s 8.3
15
Thermal Shock Resistance, points 8.8
27

Alloy Composition

Aluminum (Al), % 0
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Copper (Cu), % 58 to 61
57 to 67
Iron (Fe), % 0 to 1.5
1.5 to 4.0
Lead (Pb), % 4.5 to 5.5
0 to 0.2
Manganese (Mn), % 0 to 0.5
2.5 to 5.0
Nickel (Ni), % 15.5 to 17
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 2.5 to 3.5
0 to 0.2
Zinc (Zn), % 10 to 19.5
13.4 to 36
Residuals, % 0 to 1.0
0