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C12600 Copper vs. 70Ag-30Ni Alloy

C12600 copper belongs to the copper alloys classification, while 70Ag-30Ni alloy belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C12600 copper and the bottom bar is 70Ag-30Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 56
39
Tensile Strength: Ultimate (UTS), MPa 270
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Melting Completion (Liquidus), °C 1080
960
Melting Onset (Solidus), °C 1030
960
Specific Heat Capacity, J/kg-K 390
300
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
69
Electrical Conductivity: Equal Weight (Specific), % IACS 29
62

Otherwise Unclassified Properties

Density, g/cm3 8.9
10

Common Calculations

Stiffness to Weight: Axial, points 7.2
5.8
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 8.2
8.8 to 15
Strength to Weight: Bending, points 10
10 to 15
Thermal Shock Resistance, points 9.5
13 to 21

Alloy Composition

Copper (Cu), % 99.5 to 99.8
0
Nickel (Ni), % 0
28.8 to 31
Phosphorus (P), % 0.2 to 0.4
0
Silver (Ag), % 0
69 to 71
Residuals, % 0
0 to 0.2