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R30001 Cobalt vs. Solder Alloy 135

R30001 cobalt belongs to the cobalt alloys classification, while solder alloy 135 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is R30001 cobalt and the bottom bar is solder alloy 135.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
27
Elongation at Break, % 1.0
20
Poisson's Ratio 0.28
0.41
Shear Modulus, GPa 86
9.5
Tensile Strength: Ultimate (UTS), MPa 620
35

Thermal Properties

Latent Heat of Fusion, J/g 310
36
Melting Completion (Liquidus), °C 1530
250
Melting Onset (Solidus), °C 1260
190
Specific Heat Capacity, J/kg-K 430
160
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
9.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.5

Otherwise Unclassified Properties

Density, g/cm3 9.0
10
Embodied Carbon, kg CO2/kg material 8.9
7.3
Embodied Energy, MJ/kg 130
120
Embodied Water, L/kg 460
720

Common Calculations

Stiffness to Weight: Axial, points 14
1.5
Stiffness to Weight: Bending, points 22
9.9
Strength to Weight: Axial, points 19
1.0
Strength to Weight: Bending, points 18
2.4
Thermal Diffusivity, mm2/s 3.7
27
Thermal Shock Resistance, points 19
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), % 2.0 to 3.0
0
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 43 to 59
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 3.0
0 to 0.020
Lead (Pb), % 0
67.1 to 70
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0 to 0.010
Silicon (Si), % 0 to 2.0
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
29.5 to 30.5
Tungsten (W), % 11 to 13
0
Zinc (Zn), % 0
0 to 0.0010