C44400 Brass vs. ASTM B563 Pd-Ag-Cu

C44400 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 C44400 brass and the bottom bar is ASTM B563 Pd-Ag-Cu.

UNS C44400 Admiralty Brass ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		100

Poisson's Ratio		0.32
Poisson's Ratio		0.37

Shear Modulus, GPa		41
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		350
Tensile Strength: Ultimate (UTS), MPa		760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		150

Melting Completion (Liquidus), °C		940
Melting Completion (Liquidus), °C		1180

Melting Onset (Solidus), °C		900
Melting Onset (Solidus), °C		1030

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		260

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		25
Electrical Conductivity: Equal Volume, % IACS		5.6 to 6.7

Electrical Conductivity: Equal Weight (Specific), % IACS		27
Electrical Conductivity: Equal Weight (Specific), % IACS		4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm³		8.3
Density, g/cm³		11

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		5.2

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		14

Strength to Weight: Axial, points		12
Strength to Weight: Axial, points		19 to 30

Strength to Weight: Bending, points		13
Strength to Weight: Bending, points		17 to 22

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		39 to 61

Alloy Composition

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Antimony (Sb), %		0.020 to 0.1
Antimony (Sb), %		0

Copper (Cu), %		70 to 73
Copper (Cu), %		15.5 to 16.5

Iron (Fe), %		0 to 0.060
Iron (Fe), %		0

Lead (Pb), %		0 to 0.070
Lead (Pb), %		0

Nickel (Ni), %		0
Nickel (Ni), %		0.8 to 1.2

Palladium (Pd), %		0
Palladium (Pd), %		43 to 45

Platinum (Pt), %		0
Platinum (Pt), %		0.8 to 1.2

Silver (Ag), %		0
Silver (Ag), %		37 to 39

Tin (Sn), %		0.9 to 1.2
Tin (Sn), %		0

Zinc (Zn), %		25.2 to 29.1
Zinc (Zn), %		0

Residuals, %		0 to 0.4
Residuals, %		0 to 0.4