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C77400 Nickel Silver vs. CC490K Brass

Both C77400 nickel silver and CC490K brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 54% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C77400 nickel silver and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
15
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 570
230
Tensile Strength: Yield (Proof), MPa 250
110

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 810
980
Melting Onset (Solidus), °C 770
910
Specific Heat Capacity, J/kg-K 390
370
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
16
Electrical Conductivity: Equal Weight (Specific), % IACS 31
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.5
2.9
Embodied Energy, MJ/kg 57
47
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
28
Resilience: Unit (Modulus of Resilience), kJ/m3 290
54
Stiffness to Weight: Axial, points 7.7
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 20
7.3
Strength to Weight: Bending, points 19
9.5
Thermal Shock Resistance, points 18
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 43 to 47
81 to 86
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.2
3.0 to 6.0
Nickel (Ni), % 9.0 to 11
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), % 0
2.0 to 3.5
Zinc (Zn), % 41.3 to 48
7.0 to 9.5
Residuals, % 0 to 0.5
0