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CC212E Bronze vs. C97800 Nickel Silver

Both CC212E bronze and C97800 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 70% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC212E bronze and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
130
Elongation at Break, % 20
10
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 47
48
Tensile Strength: Ultimate (UTS), MPa 710
370
Tensile Strength: Yield (Proof), MPa 310
170

Thermal Properties

Latent Heat of Fusion, J/g 230
220
Maximum Temperature: Mechanical, °C 220
230
Melting Completion (Liquidus), °C 1080
1180
Melting Onset (Solidus), °C 1020
1140
Specific Heat Capacity, J/kg-K 440
390
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 27
40
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 3.4
5.1
Embodied Energy, MJ/kg 55
76
Embodied Water, L/kg 370
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
31
Resilience: Unit (Modulus of Resilience), kJ/m3 390
120
Stiffness to Weight: Axial, points 8.5
8.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 21
13
Thermal Shock Resistance, points 22
13

Alloy Composition

Aluminum (Al), % 7.0 to 9.0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 68 to 77
64 to 67
Iron (Fe), % 2.0 to 4.0
0 to 1.5
Lead (Pb), % 0 to 0.050
1.0 to 2.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 8.0 to 15
0
Nickel (Ni), % 1.5 to 4.5
24 to 27
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.5
4.0 to 5.5
Zinc (Zn), % 0 to 1.0
1.0 to 4.0
Residuals, % 0
0 to 0.4