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CC497K Bronze vs. C77400 Nickel Silver

Both CC497K bronze and C77400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 48% 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 CC497K bronze and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
110
Elongation at Break, % 6.7
25
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 34
42
Tensile Strength: Ultimate (UTS), MPa 190
570
Tensile Strength: Yield (Proof), MPa 91
250

Thermal Properties

Latent Heat of Fusion, J/g 160
170
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 870
810
Melting Onset (Solidus), °C 800
770
Specific Heat Capacity, J/kg-K 330
390
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
31

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.5
Embodied Energy, MJ/kg 48
57
Embodied Water, L/kg 370
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
120
Resilience: Unit (Modulus of Resilience), kJ/m3 45
290
Stiffness to Weight: Axial, points 5.5
7.7
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 5.6
20
Strength to Weight: Bending, points 7.8
19
Thermal Shock Resistance, points 7.2
18

Alloy Composition


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Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.75
0
Copper (Cu), % 67.5 to 77.5
43 to 47
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 18 to 23
0 to 0.2
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0.5 to 2.5
9.0 to 11
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 0 to 2.0
41.3 to 48
Residuals, % 0
0 to 0.5