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Solder Alloy 201 vs. AWS E3155

Solder alloy 201 belongs to the otherwise unclassified metals classification, while AWS E3155 belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 201 and the bottom bar is AWS E3155.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
210
Elongation at Break, % 38
23
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 41
770

Thermal Properties

Latent Heat of Fusion, J/g 64
310
Melting Completion (Liquidus), °C 240
1460
Melting Onset (Solidus), °C 240
1410
Specific Heat Capacity, J/kg-K 220
450
Thermal Conductivity, W/m-K 28
13
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.4
Embodied Carbon, kg CO2/kg material 15
7.7
Embodied Energy, MJ/kg 250
110
Embodied Water, L/kg 1320
300

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 1.6
26
Strength to Weight: Bending, points 3.6
22
Thermal Diffusivity, mm2/s 17
3.3
Thermal Shock Resistance, points 2.7
20

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 4.5 to 5.5
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 0.1
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0 to 0.050
0 to 0.75
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
23.3 to 36.3
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.010
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
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), % 94 to 95.5
0
Tungsten (W), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.0010
0