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Solder Alloy 131 vs. AWS E320

Solder alloy 131 belongs to the otherwise unclassified metals classification, while AWS E320 belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 131 and the bottom bar is AWS E320.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
200
Elongation at Break, % 47
34
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 14
77
Tensile Strength: Ultimate (UTS), MPa 31
620

Thermal Properties

Latent Heat of Fusion, J/g 46
300
Melting Completion (Liquidus), °C 180
1410
Melting Onset (Solidus), °C 180
1360
Specific Heat Capacity, J/kg-K 190
460
Thermal Expansion, µm/m-K 25
14

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 11
6.5
Embodied Energy, MJ/kg 180
91
Embodied Water, L/kg 940
220

Common Calculations

Stiffness to Weight: Axial, points 2.4
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 1.0
21
Strength to Weight: Bending, points 2.5
20
Thermal Shock Resistance, points 2.4
16

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.2 to 0.5
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 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0 to 0.080
3.0 to 4.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
31.8 to 43.5
Lead (Pb), % 35.5 to 37.3
0
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.010
32 to 36
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 62.5 to 63.5
0
Zinc (Zn), % 0 to 0.0010
0