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C95820 Bronze vs. 70Ag-30Ni Alloy

C95820 bronze 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 (11, in this case) are not shown.

For each property being compared, the top bar is C95820 bronze 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 44
39
Tensile Strength: Ultimate (UTS), MPa 730
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Melting Completion (Liquidus), °C 1080
960
Melting Onset (Solidus), °C 1020
960
Specific Heat Capacity, J/kg-K 440
300
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
69
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
62

Otherwise Unclassified Properties

Density, g/cm3 8.3
10

Common Calculations

Stiffness to Weight: Axial, points 8.0
5.8
Stiffness to Weight: Bending, points 20
16
Strength to Weight: Axial, points 24
8.8 to 15
Strength to Weight: Bending, points 22
10 to 15
Thermal Shock Resistance, points 25
13 to 21

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Copper (Cu), % 77.5 to 82.5
0
Iron (Fe), % 4.0 to 5.0
0
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
28.8 to 31
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
69 to 71
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.2