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Solder Alloy 301 vs. AWS E33-31

Solder alloy 301 belongs to the otherwise unclassified metals classification, while AWS E33-31 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 301 and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 40
210
Elongation at Break, % 51
29
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 15
81
Tensile Strength: Ultimate (UTS), MPa 55
810

Thermal Properties

Latent Heat of Fusion, J/g 55
320
Melting Completion (Liquidus), °C 140
1380
Melting Onset (Solidus), °C 140
1330
Specific Heat Capacity, J/kg-K 160
480
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 13
6.0
Embodied Energy, MJ/kg 210
86

Common Calculations

Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.8
28
Strength to Weight: Bending, points 3.7
24
Thermal Shock Resistance, points 7.2
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), % 56.5 to 59
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
31 to 35
Copper (Cu), % 0 to 0.050
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), % 41 to 43
0
Zinc (Zn), % 0 to 0.0010
0