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C97400 Nickel Silver vs. CC490K Brass

Both C97400 nickel silver and CC490K brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is C97400 nickel silver and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
76
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 20
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 260
230
Tensile Strength: Yield (Proof), MPa 120
110

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 1100
980
Melting Onset (Solidus), °C 1070
910
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 27
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
16
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
30
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 4.1
2.9
Embodied Energy, MJ/kg 64
47
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
28
Resilience: Unit (Modulus of Resilience), kJ/m3 59
54
Stiffness to Weight: Axial, points 7.5
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 8.5
7.3
Strength to Weight: Bending, points 11
9.5
Thermal Diffusivity, mm2/s 8.3
22
Thermal Shock Resistance, points 8.8
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 58 to 61
81 to 86
Iron (Fe), % 0 to 1.5
0 to 0.5
Lead (Pb), % 4.5 to 5.5
3.0 to 6.0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 15.5 to 17
0 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 2.5 to 3.5
2.0 to 3.5
Zinc (Zn), % 10 to 19.5
7.0 to 9.5
Residuals, % 0 to 1.0
0