C55281 Copper vs. C82600 Copper

Both C55281 copper and C82600 copper are copper alloys. They have 89% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C55281 copper and the bottom bar is C82600 copper.

UNS C55281 (BCuP-3) Filler Metal UNS C82600 (Alloy 245C) 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		190
Tensile Strength: Ultimate (UTS), MPa		570 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		300

Melting Completion (Liquidus), °C		810
Melting Completion (Liquidus), °C		950

Melting Onset (Solidus), °C		640
Melting Onset (Solidus), °C		860

Specific Heat Capacity, J/kg-K		400
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		8.7
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		7.0
Embodied Carbon, kg CO₂/kg material		11

Embodied Energy, MJ/kg		110
Embodied Energy, MJ/kg		180

Common Calculations

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

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

Strength to Weight: Axial, points		6.1
Strength to Weight: Axial, points		18 to 36

Strength to Weight: Bending, points		8.5
Strength to Weight: Bending, points		17 to 28

Thermal Shock Resistance, points		7.7
Thermal Shock Resistance, points		19 to 39

Alloy Composition

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

Beryllium (Be), %		0
Beryllium (Be), %		2.3 to 2.6

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

Cobalt (Co), %		0
Cobalt (Co), %		0.35 to 0.65

Copper (Cu), %		88.5 to 89.4
Copper (Cu), %		94.9 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), %		5.8 to 6.2
Phosphorus (P), %		0

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

Silver (Ag), %		4.8 to 5.2
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