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Solder Alloy 703 vs. EN 1.4606 Stainless Steel

Solder alloy 703 belongs to the otherwise unclassified metals classification, while EN 1.4606 stainless steel belongs to the iron alloys. There are 22 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 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 35
23 to 39
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
75
Tensile Strength: Ultimate (UTS), MPa 57
600 to 1020

Thermal Properties

Latent Heat of Fusion, J/g 61
300
Melting Completion (Liquidus), °C 220
1430
Melting Onset (Solidus), °C 220
1380
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 55
14
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.2

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.9
Embodied Carbon, kg CO2/kg material 18
6.0
Embodied Energy, MJ/kg 300
87

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.1
21 to 36
Strength to Weight: Bending, points 4.4
20 to 28
Thermal Diffusivity, mm2/s 33
3.7
Thermal Shock Resistance, points 3.7
21 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.35
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Boron (B), % 0
0.0010 to 0.010
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13 to 16
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
49.2 to 59
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.010
24 to 27
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 95.8 to 96.7
0
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5
Zinc (Zn), % 0 to 0.0010
0