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CC481K Bronze vs. C97800 Nickel Silver

Both CC481K bronze and C97800 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CC481K bronze and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 4.5
10
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
48
Tensile Strength: Ultimate (UTS), MPa 350
370
Tensile Strength: Yield (Proof), MPa 180
170

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 1000
1180
Melting Onset (Solidus), °C 880
1140
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 64
25
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 35
40
Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 3.7
5.1
Embodied Energy, MJ/kg 60
76
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
31
Resilience: Unit (Modulus of Resilience), kJ/m3 150
120
Stiffness to Weight: Axial, points 6.9
8.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
12
Strength to Weight: Bending, points 13
13
Thermal Diffusivity, mm2/s 20
7.3
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.050
0 to 0.2
Copper (Cu), % 87 to 89.5
64 to 67
Iron (Fe), % 0 to 0.1
0 to 1.5
Lead (Pb), % 0 to 0.25
1.0 to 2.5
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.1
24 to 27
Phosphorus (P), % 0 to 1.0
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.15
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 10 to 11.5
4.0 to 5.5
Zinc (Zn), % 0 to 0.5
1.0 to 4.0
Residuals, % 0
0 to 0.4