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Solder Alloy 401 vs. R30008 Cobalt

Solder alloy 401 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 (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
210
Elongation at Break, % 21
1.1 to 73
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
83
Tensile Strength: Ultimate (UTS), MPa 29
950 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 60
320
Melting Completion (Liquidus), °C 230
1400
Melting Onset (Solidus), °C 230
1330
Specific Heat Capacity, J/kg-K 220
450
Thermal Expansion, µm/m-K 22
13

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.4
Embodied Carbon, kg CO2/kg material 15
8.1
Embodied Energy, MJ/kg 250
110
Embodied Water, L/kg 1200
400

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 1.1
31 to 56
Strength to Weight: Bending, points 2.9
25 to 37
Thermal Shock Resistance, points 1.9
25 to 44

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
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), % 0.5 to 0.9
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), % 0 to 0.070
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), % 98.5 to 99.5
0
Zinc (Zn), % 0 to 0.0010
0