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Solder Alloy 401 vs. AWS E33-31

Solder alloy 401 belongs to the otherwise unclassified metals classification, while AWS E33-31 belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
210
Elongation at Break, % 21
29
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 29
810

Thermal Properties

Latent Heat of Fusion, J/g 60
320
Melting Completion (Liquidus), °C 230
1380
Melting Onset (Solidus), °C 230
1330
Specific Heat Capacity, J/kg-K 220
480
Thermal Expansion, µm/m-K 22
14

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.9
Embodied Carbon, kg CO2/kg material 15
6.0
Embodied Energy, MJ/kg 250
86
Embodied Water, L/kg 1200
260

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.1
28
Strength to Weight: Bending, points 2.9
24
Thermal Shock Resistance, points 1.9
19

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 0.030
Chromium (Cr), % 0
31 to 35
Copper (Cu), % 0.5 to 0.9
0.4 to 0.8
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
24.7 to 34.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.010
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.9
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 98.5 to 99.5
0
Zinc (Zn), % 0 to 0.0010
0