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Solder Alloy 711 vs. EN 2.4964 Cobalt

Solder alloy 711 belongs to the otherwise unclassified metals classification, while EN 2.4964 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 711 and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
220
Elongation at Break, % 19
40
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
86
Tensile Strength: Ultimate (UTS), MPa 49
960

Thermal Properties

Latent Heat of Fusion, J/g 61
290
Melting Completion (Liquidus), °C 220
1630
Melting Onset (Solidus), °C 220
1550
Specific Heat Capacity, J/kg-K 220
400
Thermal Conductivity, W/m-K 58
15
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 16
1.8

Otherwise Unclassified Properties

Density, g/cm3 7.4
9.6
Embodied Carbon, kg CO2/kg material 17
9.8
Embodied Energy, MJ/kg 290
140

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
21
Strength to Weight: Axial, points 1.8
28
Strength to Weight: Bending, points 4.0
23
Thermal Diffusivity, mm2/s 35
3.9
Thermal Shock Resistance, points 3.1
25

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
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 0.3 to 0.7
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), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.010
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 2.8 to 3.2
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 95.6 to 96.9
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 0 to 0.0010
0