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C90200 Bronze vs. 70Ag-30Ni Alloy

C90200 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 (12, in this case) are not shown.

For each property being compared, the top bar is C90200 bronze and the bottom bar is 70Ag-30Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 41
39
Tensile Strength: Ultimate (UTS), MPa 260
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Melting Completion (Liquidus), °C 1050
960
Melting Onset (Solidus), °C 880
960
Specific Heat Capacity, J/kg-K 370
300
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
69
Electrical Conductivity: Equal Weight (Specific), % IACS 13
62

Otherwise Unclassified Properties

Density, g/cm3 8.8
10

Common Calculations

Stiffness to Weight: Axial, points 7.0
5.8
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 8.3
8.8 to 15
Strength to Weight: Bending, points 10
10 to 15
Thermal Shock Resistance, points 9.5
13 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 91 to 94
0
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.3
0
Nickel (Ni), % 0 to 0.5
28.8 to 31
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
69 to 71
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 6.0 to 8.0
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.2