C55280 Copper vs. C82500 Copper

Both C55280 copper and C82500 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 (10, in this case) are not shown.

For each property being compared, the top bar is C55280 copper and the bottom bar is C82500 copper.

UNS C55280 (BCuP-6) Filler Metal UNS C82500 (Alloy 20C) 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		45

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		550 to 1100

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		280

Melting Completion (Liquidus), °C		790
Melting Completion (Liquidus), °C		980

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

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		8.8

Embodied Carbon, kg CO₂/kg material		4.2
Embodied Carbon, kg CO₂/kg material		10

Embodied Energy, MJ/kg		67
Embodied Energy, MJ/kg		160

Common Calculations

Stiffness to Weight: Axial, points		6.9
Stiffness to Weight: Axial, points		7.7

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

Strength to Weight: Axial, points		5.9
Strength to Weight: Axial, points		18 to 35

Strength to Weight: Bending, points		8.3
Strength to Weight: Bending, points		17 to 27

Thermal Shock Resistance, points		7.4
Thermal Shock Resistance, points		19 to 38

Alloy Composition

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

Beryllium (Be), %		0
Beryllium (Be), %		1.9 to 2.3

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), %		95.3 to 97.8

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