C55284 Copper vs. C82800 Copper

Both C55284 copper and C82800 copper are copper alloys. They have 80% 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 C55284 copper and the bottom bar is C82800 copper.

UNS C55284 (BCuP-5) Filler Metal UNS C82800 (Alloy 275C) Beryllium Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.34
Poisson's Ratio		0.33

Shear Modulus, GPa		38
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		180
Latent Heat of Fusion, J/g		240

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

Melting Completion (Liquidus), °C		800
Melting Completion (Liquidus), °C		930

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

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		390

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

Otherwise Unclassified Properties

Density, g/cm³		8.9
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		16
Embodied Carbon, kg CO₂/kg material		12

Embodied Energy, MJ/kg		260
Embodied Energy, MJ/kg		190

Common Calculations

Stiffness to Weight: Axial, points		6.5
Stiffness to Weight: Axial, points		7.8

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		5.6
Strength to Weight: Axial, points		21 to 36

Strength to Weight: Bending, points		8.0
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), %		79.2 to 80.7
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), %		4.8 to 5.2
Phosphorus (P), %		0

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

Silver (Ag), %		14.5 to 15.5
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