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Solder Alloy 703 vs. K93600 Alloy

Solder alloy 703 belongs to the otherwise unclassified metals classification, while K93600 alloy belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is K93600 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
140
Elongation at Break, % 35
5.0 to 35
Tensile Strength: Ultimate (UTS), MPa 57
480 to 810

Thermal Properties

Melting Onset (Solidus), °C 220
1430
Specific Heat Capacity, J/kg-K 220
520
Thermal Conductivity, W/m-K 55
13
Thermal Expansion, µm/m-K 22
7.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.4

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.1

Common Calculations

Stiffness to Weight: Axial, points 3.8
9.4
Stiffness to Weight: Bending, points 17
21
Strength to Weight: Axial, points 2.1
16 to 28
Strength to Weight: Bending, points 4.4
17 to 24
Thermal Diffusivity, mm2/s 33
3.1
Thermal Shock Resistance, points 3.7
34 to 57