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Solder Alloy 134 vs. R30605 Cobalt

Solder alloy 134 belongs to the otherwise unclassified metals classification, while R30605 cobalt belongs to the cobalt alloys. 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 solder alloy 134 and the bottom bar is R30605 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
210
Elongation at Break, % 31
34
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 11
81
Tensile Strength: Ultimate (UTS), MPa 38
1130 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 41
290
Melting Completion (Liquidus), °C 230
1410
Melting Onset (Solidus), °C 190
1330
Specific Heat Capacity, J/kg-K 170
410
Thermal Conductivity, W/m-K 45
9.6
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.6
1.8

Otherwise Unclassified Properties

Density, g/cm3 9.6
9.6
Embodied Carbon, kg CO2/kg material 8.5
9.8
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 820
450

Common Calculations

Stiffness to Weight: Axial, points 1.8
12
Stiffness to Weight: Bending, points 11
21
Strength to Weight: Axial, points 1.1
33 to 55
Strength to Weight: Bending, points 2.6
25 to 36
Thermal Diffusivity, mm2/s 28
2.5
Thermal Shock Resistance, points 3.4
31 to 52

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 2.0 to 2.4
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 57
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
0 to 3.0
Lead (Pb), % 56.5 to 58.5
0
Manganese (Mn), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.010
9.0 to 11
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 39.5 to 40.5
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 0 to 0.0010
0