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Solder Alloy 123 vs. EN 1.3555 Steel

Solder alloy 123 belongs to the otherwise unclassified metals classification, while EN 1.3555 steel belongs to the iron alloys. There are 22 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 123 and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 8.0
230
Elastic (Young's, Tensile) Modulus, GPa 18
190
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 6.2
75
Tensile Strength: Ultimate (UTS), MPa 28
770

Thermal Properties

Latent Heat of Fusion, J/g 26
260
Melting Completion (Liquidus), °C 310
1500
Melting Onset (Solidus), °C 300
1450
Specific Heat Capacity, J/kg-K 130
460
Thermal Expansion, µm/m-K 29
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
11
Density, g/cm3 11
7.9
Embodied Carbon, kg CO2/kg material 4.5
5.6
Embodied Energy, MJ/kg 74
81
Embodied Water, L/kg 500
90

Common Calculations

Stiffness to Weight: Axial, points 0.9
14
Stiffness to Weight: Bending, points 7.8
24
Strength to Weight: Axial, points 0.69
27
Strength to Weight: Bending, points 1.8
23
Thermal Shock Resistance, points 3.8
22

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0 to 0.080
0 to 0.1
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
85.4 to 87.7
Lead (Pb), % 93.5 to 95.5
0
Manganese (Mn), % 0
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0 to 0.010
3.2 to 3.6
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0.1 to 0.25
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 4.5 to 5.5
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3
Zinc (Zn), % 0 to 0.0010
0