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Solder Alloy 124 vs. EN 1.3955 Stainless Steel

Solder alloy 124 belongs to the otherwise unclassified metals classification, while EN 1.3955 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 1.3955 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
200
Elongation at Break, % 46
23
Poisson's Ratio 0.44
0.28
Shear Modulus, GPa 5.8
77
Tensile Strength: Ultimate (UTS), MPa 27
520

Thermal Properties

Latent Heat of Fusion, J/g 24
290
Melting Completion (Liquidus), °C 330
1430
Melting Onset (Solidus), °C 320
1380
Specific Heat Capacity, J/kg-K 130
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 29
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 70
16
Density, g/cm3 11
7.8
Embodied Carbon, kg CO2/kg material 4.1
3.2
Embodied Energy, MJ/kg 68
45
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
4.1
Thermal Shock Resistance, points 3.9
15

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 0.15
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
65.5 to 73.5
Lead (Pb), % 97.2 to 98.2
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.010
10 to 12
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.0010
0