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Solder Alloy 104 vs. R30008 Cobalt

Solder alloy 104 belongs to the otherwise unclassified metals classification, while R30008 cobalt belongs to the cobalt alloys. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 104 and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
210
Elongation at Break, % 46
1.1 to 73
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 13
83
Tensile Strength: Ultimate (UTS), MPa 51
950 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 45
320
Melting Completion (Liquidus), °C 190
1400
Melting Onset (Solidus), °C 180
1330
Specific Heat Capacity, J/kg-K 180
450
Thermal Expansion, µm/m-K 25
13

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 10
8.1
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
31 to 56
Strength to Weight: Bending, points 3.4
25 to 37
Thermal Shock Resistance, points 4.0
25 to 44

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 0.0010
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
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
7.6 to 20
Lead (Pb), % 39 to 40.5
0
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 0.010
15 to 18
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