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Solder Alloy 703 vs. EN 1.3963 Alloy

Solder alloy 703 belongs to the otherwise unclassified metals classification, while EN 1.3963 alloy belongs to the iron alloys. There are 18 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 703 and the bottom bar is EN 1.3963 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 35
29
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 19
72
Tensile Strength: Ultimate (UTS), MPa 57
440

Thermal Properties

Latent Heat of Fusion, J/g 61
270
Melting Completion (Liquidus), °C 220
1430
Melting Onset (Solidus), °C 220
1390
Specific Heat Capacity, J/kg-K 220
460
Thermal Expansion, µm/m-K 22
1.6

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.2
Embodied Carbon, kg CO2/kg material 18
4.8
Embodied Energy, MJ/kg 300
66

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.1
15
Strength to Weight: Bending, points 4.4
16
Thermal Shock Resistance, points 3.7
110

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 to 0.050
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
60.5 to 64.9
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
35 to 37
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0.1 to 0.2
Tin (Sn), % 95.8 to 96.7
0
Zinc (Zn), % 0 to 0.0010
0