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Solder Alloy 703 vs. ASTM F15 Fe-Ni-Co

Solder alloy 703 belongs to the otherwise unclassified metals classification, while ASTM F15 Fe-Ni-Co belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is ASTM F15 Fe-Ni-Co.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 19
73
Tensile Strength: Ultimate (UTS), MPa 57
520 to 880

Thermal Properties

Latent Heat of Fusion, J/g 61
270
Melting Completion (Liquidus), °C 220
1410
Melting Onset (Solidus), °C 220
1450
Specific Heat Capacity, J/kg-K 220
460
Thermal Conductivity, W/m-K 55
17
Thermal Expansion, µm/m-K 22
6.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 17
4.0

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.3
Embodied Carbon, kg CO2/kg material 18
5.2
Embodied Energy, MJ/kg 300
71

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.1
17 to 29
Strength to Weight: Bending, points 4.4
17 to 24
Thermal Diffusivity, mm2/s 33
4.5
Thermal Shock Resistance, points 3.7
32 to 55

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.1
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 to 0.040
Chromium (Cr), % 0
0 to 0.2
Cobalt (Co), % 0
16 to 18
Copper (Cu), % 0 to 0.050
0 to 0.2
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
50.3 to 56
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
28 to 30
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 3.3 to 3.7
0
Tin (Sn), % 95.8 to 96.7
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0 to 0.1