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Solder Alloy 124 vs. EN 1.4621 Stainless Steel

Solder alloy 124 belongs to the otherwise unclassified metals classification, while EN 1.4621 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 124 and the bottom bar is EN 1.4621 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
200
Elongation at Break, % 46
25
Poisson's Ratio 0.44
0.27
Shear Modulus, GPa 5.8
78
Tensile Strength: Ultimate (UTS), MPa 27
500

Thermal Properties

Latent Heat of Fusion, J/g 24
290
Melting Completion (Liquidus), °C 330
1440
Melting Onset (Solidus), °C 320
1390
Specific Heat Capacity, J/kg-K 130
480
Thermal Conductivity, W/m-K 22
21
Thermal Expansion, µm/m-K 29
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 11
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.8
Embodied Energy, MJ/kg 68
41
Embodied Water, L/kg 470
140

Common Calculations

Stiffness to Weight: Axial, points 0.83
14
Stiffness to Weight: Bending, points 7.6
25
Strength to Weight: Axial, points 0.65
18
Strength to Weight: Bending, points 1.8
18
Thermal Diffusivity, mm2/s 15
5.7
Thermal Shock Resistance, points 3.9
17

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.12
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 0.030
Chromium (Cr), % 0
20 to 21.5
Copper (Cu), % 0 to 0.080
0.1 to 1.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
74.4 to 79.7
Lead (Pb), % 97.2 to 98.2
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.030
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 0.015
Tin (Sn), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.0010
0