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G-CoCr28 Cobalt vs. Solder Alloy 135

G-CoCr28 cobalt belongs to the cobalt alloys classification, while solder alloy 135 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is solder alloy 135.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
27
Elongation at Break, % 6.7
20
Poisson's Ratio 0.28
0.41
Shear Modulus, GPa 83
9.5
Tensile Strength: Ultimate (UTS), MPa 560
35

Thermal Properties

Latent Heat of Fusion, J/g 320
36
Melting Completion (Liquidus), °C 1330
250
Melting Onset (Solidus), °C 1270
190
Specific Heat Capacity, J/kg-K 470
160
Thermal Conductivity, W/m-K 8.5
42
Thermal Expansion, µm/m-K 14
27

Otherwise Unclassified Properties

Base Metal Price, % relative 100
90
Density, g/cm3 8.1
10
Embodied Carbon, kg CO2/kg material 6.2
7.3
Embodied Energy, MJ/kg 84
120
Embodied Water, L/kg 440
720

Common Calculations

Stiffness to Weight: Axial, points 15
1.5
Stiffness to Weight: Bending, points 24
9.9
Strength to Weight: Axial, points 19
1.0
Strength to Weight: Bending, points 19
2.4
Thermal Diffusivity, mm2/s 2.2
27
Thermal Shock Resistance, points 14
3.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.5 to 1.8
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.050 to 0.25
0
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 48 to 52
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 9.7 to 24.5
0 to 0.020
Lead (Pb), % 0
67.1 to 70
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
0 to 0.010
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.5 to 1.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
29.5 to 30.5
Zinc (Zn), % 0
0 to 0.0010