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C68400 Brass vs. 60Pd-40Ag Alloy

C68400 brass belongs to the copper alloys classification, while 60Pd-40Ag alloy belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is 60Pd-40Ag alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 18
1.1 to 28
Poisson's Ratio 0.31
0.38
Shear Modulus, GPa 41
37
Shear Strength, MPa 330
220 to 350
Tensile Strength: Ultimate (UTS), MPa 540
340 to 720

Thermal Properties

Latent Heat of Fusion, J/g 210
140
Melting Completion (Liquidus), °C 840
1360
Melting Onset (Solidus), °C 820
1310
Specific Heat Capacity, J/kg-K 400
240
Thermal Conductivity, W/m-K 66
29
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
4.1
Electrical Conductivity: Equal Weight (Specific), % IACS 99
3.2

Otherwise Unclassified Properties

Density, g/cm3 7.9
11

Common Calculations

Stiffness to Weight: Axial, points 7.5
4.9
Stiffness to Weight: Bending, points 20
14
Strength to Weight: Axial, points 19
8.4 to 18
Strength to Weight: Bending, points 19
9.6 to 16
Thermal Diffusivity, mm2/s 21
11
Thermal Shock Resistance, points 18
16 to 34

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0
Palladium (Pd), % 0
59.5 to 60.9
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0
Silver (Ag), % 0
39.1 to 40.5
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0
0 to 0.3