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Solder Alloy 401 vs. AWS E309Nb

Solder alloy 401 belongs to the otherwise unclassified metals classification, while AWS E309Nb belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is AWS E309Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
200
Elongation at Break, % 21
34
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
78
Tensile Strength: Ultimate (UTS), MPa 29
620

Thermal Properties

Latent Heat of Fusion, J/g 60
300
Melting Completion (Liquidus), °C 230
1420
Melting Onset (Solidus), °C 230
1380
Specific Heat Capacity, J/kg-K 220
480
Thermal Conductivity, W/m-K 66
15
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.4

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 15
4.4
Embodied Energy, MJ/kg 250
64
Embodied Water, L/kg 1200
180

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.1
22
Strength to Weight: Bending, points 2.9
21
Thermal Diffusivity, mm2/s 40
4.0
Thermal Shock Resistance, points 1.9
16

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 0.12
Chromium (Cr), % 0
22 to 25
Copper (Cu), % 0.5 to 0.9
0 to 0.75
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
54.8 to 64.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.010
12 to 14
Niobium (Nb), % 0
0.7 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 98.5 to 99.5
0
Zinc (Zn), % 0 to 0.0010
0