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C55284 Copper vs. AWS BCo-1

C55284 copper belongs to the copper alloys classification, while AWS BCo-1 belongs to the cobalt alloys. There are 18 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C55284 copper and the bottom bar is AWS BCo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 38
78
Tensile Strength: Ultimate (UTS), MPa 180
700

Thermal Properties

Brazing Temperature, °C 700 to 820
1150 to 1230
Latent Heat of Fusion, J/g 180
420
Melting Completion (Liquidus), °C 800
1150
Melting Onset (Solidus), °C 640
1120
Specific Heat Capacity, J/kg-K 380
480
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 16
8.0
Embodied Energy, MJ/kg 260
110

Common Calculations

Stiffness to Weight: Axial, points 6.5
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 5.6
24
Strength to Weight: Bending, points 8.0
22
Thermal Shock Resistance, points 7.4
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
0.7 to 0.9
Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0
18 to 20
Cobalt (Co), % 0
46 to 54
Copper (Cu), % 79.2 to 80.7
0
Iron (Fe), % 0
0 to 1.0
Nickel (Ni), % 0
16 to 18
Phosphorus (P), % 4.8 to 5.2
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
7.5 to 8.5
Silver (Ag), % 14.5 to 15.5
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0
3.5 to 4.5
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0 to 0.15
0 to 0.5