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Solder Alloy 122 vs. Nickel Beryllium 360

Solder alloy 122 belongs to the otherwise unclassified metals classification, while nickel beryllium 360 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 122 and the bottom bar is nickel beryllium 360.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 20
200
Elongation at Break, % 30
1.0 to 30
Poisson's Ratio 0.43
0.3
Shear Modulus, GPa 6.9
77
Tensile Strength: Ultimate (UTS), MPa 30
780 to 1860

Thermal Properties

Melting Completion (Liquidus), °C 300
1330
Melting Onset (Solidus), °C 270
1200
Specific Heat Capacity, J/kg-K 140
460
Thermal Conductivity, W/m-K 25
48
Thermal Expansion, µm/m-K 28
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
5.4

Otherwise Unclassified Properties

Density, g/cm3 11
8.3

Common Calculations

Stiffness to Weight: Axial, points 1.0
13
Stiffness to Weight: Bending, points 8.2
24
Strength to Weight: Axial, points 0.77
26 to 62
Strength to Weight: Bending, points 2.0
23 to 41
Thermal Diffusivity, mm2/s 17
13
Thermal Shock Resistance, points 3.9
19 to 46