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C66900 Brass vs. 70Ag-30Ni Alloy

C66900 brass 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 C66900 brass 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 0.32
0.35
Shear Modulus, GPa 45
39
Tensile Strength: Ultimate (UTS), MPa 460 to 770
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Melting Completion (Liquidus), °C 860
960
Melting Onset (Solidus), °C 850
960
Specific Heat Capacity, J/kg-K 400
300
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
69
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
62

Otherwise Unclassified Properties

Density, g/cm3 8.2
10

Common Calculations

Stiffness to Weight: Axial, points 8.1
5.8
Stiffness to Weight: Bending, points 20
16
Strength to Weight: Axial, points 15 to 26
8.8 to 15
Strength to Weight: Bending, points 16 to 23
10 to 15
Thermal Shock Resistance, points 14 to 23
13 to 21

Alloy Composition

Copper (Cu), % 62.5 to 64.5
0
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
0
Nickel (Ni), % 0
28.8 to 31
Silver (Ag), % 0
69 to 71
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0
0 to 0.2