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ASTM B563 Pd-Ag-Cu vs. C84800 Brass

ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals classification, while C84800 brass belongs to the copper alloys. There are 18 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 ASTM B563 Pd-Ag-Cu and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 7.0 to 17
18
Poisson's Ratio 0.37
0.33
Shear Modulus, GPa 37
39
Tensile Strength: Ultimate (UTS), MPa 760 to 1170
230

Thermal Properties

Latent Heat of Fusion, J/g 150
180
Melting Completion (Liquidus), °C 1180
950
Melting Onset (Solidus), °C 1030
830
Specific Heat Capacity, J/kg-K 260
370
Thermal Expansion, µm/m-K 14
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.6 to 6.7
16
Electrical Conductivity: Equal Weight (Specific), % IACS 4.6 to 5.5
17

Otherwise Unclassified Properties

Density, g/cm3 11
8.6

Common Calculations

Stiffness to Weight: Axial, points 5.2
6.6
Stiffness to Weight: Bending, points 14
18
Strength to Weight: Axial, points 19 to 30
7.3
Strength to Weight: Bending, points 17 to 22
9.6
Thermal Shock Resistance, points 39 to 61
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 15.5 to 16.5
75 to 77
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0
5.5 to 7.0
Nickel (Ni), % 0.8 to 1.2
0 to 1.0
Palladium (Pd), % 43 to 45
0
Phosphorus (P), % 0
0 to 1.5
Platinum (Pt), % 0.8 to 1.2
0
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 37 to 39
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 3.0
Zinc (Zn), % 0
13 to 17
Residuals, % 0
0 to 0.7