C55280 Copper vs. C82800 Copper

Both C55280 copper and C82800 copper are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 18 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 C55280 copper and the bottom bar is C82800 copper.

UNS C55280 (BCuP-6) Filler Metal UNS C82800 (Alloy 275C) Beryllium Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.34
Poisson's Ratio		0.33

Shear Modulus, GPa		40
Shear Modulus, GPa		46

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		670 to 1140

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		240

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		310

Melting Completion (Liquidus), °C		790
Melting Completion (Liquidus), °C		930

Melting Onset (Solidus), °C		640
Melting Onset (Solidus), °C		890

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Density, g/cm³		8.5
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		4.2
Embodied Carbon, kg CO₂/kg material		12

Embodied Energy, MJ/kg		67
Embodied Energy, MJ/kg		190

Common Calculations

Stiffness to Weight: Axial, points		6.9
Stiffness to Weight: Axial, points		7.8

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

Strength to Weight: Axial, points		5.9
Strength to Weight: Axial, points		21 to 36

Strength to Weight: Bending, points		8.3
Strength to Weight: Bending, points		20 to 28

Thermal Shock Resistance, points		7.4
Thermal Shock Resistance, points		23 to 39

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.15

Beryllium (Be), %		0
Beryllium (Be), %		2.5 to 2.9

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.1

Cobalt (Co), %		0
Cobalt (Co), %		0.15 to 0.7

Copper (Cu), %		90.5 to 91.4
Copper (Cu), %		94.6 to 97.2

Iron (Fe), %		0
Iron (Fe), %		0 to 0.25

Lead (Pb), %		0
Lead (Pb), %		0 to 0.020

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.2

Phosphorus (P), %		6.8 to 7.2
Phosphorus (P), %		0

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.35

Silver (Ag), %		1.8 to 2.2
Silver (Ag), %		0

Tin (Sn), %		0
Tin (Sn), %		0 to 0.1

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.12

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.1

Residuals, %		0
Residuals, %		0 to 0.5