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C68700 Brass vs. ASTM B563 Pd-Ag-Cu

C68700 brass belongs to the copper alloys classification, while ASTM B563 Pd-Ag-Cu 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 C68700 brass and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.32
0.37
Shear Modulus, GPa 41
37
Tensile Strength: Ultimate (UTS), MPa 390
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 190
150
Melting Completion (Liquidus), °C 970
1180
Melting Onset (Solidus), °C 930
1030
Specific Heat Capacity, J/kg-K 400
260
Thermal Expansion, µm/m-K 19
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 25
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 8.3
11

Common Calculations

Stiffness to Weight: Axial, points 7.3
5.2
Stiffness to Weight: Bending, points 19
14
Strength to Weight: Axial, points 13
19 to 30
Strength to Weight: Bending, points 14
17 to 22
Thermal Shock Resistance, points 13
39 to 61

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Copper (Cu), % 76 to 79
15.5 to 16.5
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
0
Nickel (Ni), % 0
0.8 to 1.2
Palladium (Pd), % 0
43 to 45
Platinum (Pt), % 0
0.8 to 1.2
Silver (Ag), % 0
37 to 39
Zinc (Zn), % 17.8 to 22.2
0
Residuals, % 0
0 to 0.4