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AWS E2593 vs. Solder Alloy 121

AWS E2593 belongs to the iron alloys classification, while solder alloy 121 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E2593 and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
21
Elongation at Break, % 17
25
Poisson's Ratio 0.27
0.43
Shear Modulus, GPa 80
7.5
Tensile Strength: Ultimate (UTS), MPa 850
32

Thermal Properties

Latent Heat of Fusion, J/g 300
29
Melting Completion (Liquidus), °C 1430
290
Melting Onset (Solidus), °C 1390
230
Specific Heat Capacity, J/kg-K 470
140
Thermal Conductivity, W/m-K 16
31
Thermal Expansion, µm/m-K 14
28

Otherwise Unclassified Properties

Base Metal Price, % relative 22
80
Density, g/cm3 7.8
11
Embodied Carbon, kg CO2/kg material 4.2
5.6
Embodied Energy, MJ/kg 59
93
Embodied Water, L/kg 190
580

Common Calculations

Stiffness to Weight: Axial, points 14
1.1
Stiffness to Weight: Bending, points 25
8.6
Strength to Weight: Axial, points 30
0.84
Strength to Weight: Bending, points 25
2.1
Thermal Diffusivity, mm2/s 4.3
20
Thermal Shock Resistance, points 21
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 24 to 27
0
Copper (Cu), % 1.5 to 3.0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 52.7 to 62.5
0 to 0.020
Lead (Pb), % 0
83.4 to 85.5
Manganese (Mn), % 0.5 to 1.5
0
Molybdenum (Mo), % 2.9 to 3.9
0
Nickel (Ni), % 8.5 to 10.5
0 to 0.010
Nitrogen (N), % 0.080 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
14.5 to 15.5
Zinc (Zn), % 0
0 to 0.0010