C26200 Brass vs. ASTM B540 Palladium

C26200 brass belongs to the copper alloys classification, while ASTM B540 palladium belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C26200 brass and the bottom bar is ASTM B540 palladium.

UNS C26200 Yellow Brass ASTM B540 Palladium Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		3.0 to 180
Elongation at Break, %		1.1 to 14

Poisson's Ratio		0.31
Poisson's Ratio		0.38

Shear Modulus, GPa		41
Shear Modulus, GPa		39

Shear Strength, MPa		230 to 390
Shear Strength, MPa		500 to 700

Tensile Strength: Ultimate (UTS), MPa		330 to 770
Tensile Strength: Ultimate (UTS), MPa		830 to 1240

Tensile Strength: Yield (Proof), MPa		110 to 490
Tensile Strength: Yield (Proof), MPa		620 to 1000

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		950
Melting Completion (Liquidus), °C		1220

Melting Onset (Solidus), °C		920
Melting Onset (Solidus), °C		1020

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		240

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		28
Electrical Conductivity: Equal Volume, % IACS		4.9 to 5.5

Electrical Conductivity: Equal Weight (Specific), % IACS		31
Electrical Conductivity: Equal Weight (Specific), % IACS		3.5 to 3.9

Otherwise Unclassified Properties

Density, g/cm³		8.2
Density, g/cm³		13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		19 to 160
Resilience: Ultimate (Unit Rupture Work), MJ/m³		13 to 100

Resilience: Unit (Modulus of Resilience), kJ/m³		62 to 1110
Resilience: Unit (Modulus of Resilience), kJ/m³		1790 to 4660

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		4.7

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		12

Strength to Weight: Axial, points		11 to 26
Strength to Weight: Axial, points		18 to 27

Strength to Weight: Bending, points		13 to 23
Strength to Weight: Bending, points		15 to 20

Thermal Shock Resistance, points		11 to 26
Thermal Shock Resistance, points		41 to 61

Alloy Composition

Copper (Cu), %		67 to 70
Copper (Cu), %		13.5 to 14.5

Gold (Au), %		0
Gold (Au), %		9.5 to 10.5

Iron (Fe), %		0 to 0.050
Iron (Fe), %		0

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

Palladium (Pd), %		0
Palladium (Pd), %		34 to 36

Platinum (Pt), %		0
Platinum (Pt), %		9.5 to 10.5

Silver (Ag), %		0
Silver (Ag), %		29 to 31

Zinc (Zn), %		29.6 to 33
Zinc (Zn), %		0.8 to 1.2

Residuals, %		0
Residuals, %		0 to 0.3