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Solder Alloy 104 vs. R30003 Cobalt

Solder alloy 104 belongs to the otherwise unclassified metals classification, while R30003 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 104 and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
210
Elongation at Break, % 46
10 to 73
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 13
83
Tensile Strength: Ultimate (UTS), MPa 51
970 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 45
310
Melting Completion (Liquidus), °C 190
1400
Melting Onset (Solidus), °C 180
1440
Specific Heat Capacity, J/kg-K 180
450
Thermal Conductivity, W/m-K 50
13
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 10
8.0
Embodied Energy, MJ/kg 180
110
Embodied Water, L/kg 900
400

Common Calculations

Stiffness to Weight: Axial, points 2.3
14
Stiffness to Weight: Bending, points 12
24
Strength to Weight: Axial, points 1.6
32 to 57
Strength to Weight: Bending, points 3.4
26 to 38
Thermal Diffusivity, mm2/s 30
3.3
Thermal Shock Resistance, points 4.0
26 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Boron (B), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
39 to 41
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
10 to 20.5
Lead (Pb), % 39 to 40.5
0
Manganese (Mn), % 0
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0 to 0.010
14 to 16
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
0