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Solder Alloy 301 vs. EN 1.4123 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while EN 1.4123 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 40
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 15
77
Tensile Strength: Ultimate (UTS), MPa 55
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 55
280
Melting Completion (Liquidus), °C 140
1450
Melting Onset (Solidus), °C 140
1410
Specific Heat Capacity, J/kg-K 160
480
Thermal Conductivity, W/m-K 19
23
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
2.8

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 13
4.2
Embodied Energy, MJ/kg 210
62

Common Calculations

Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.8
26 to 29
Strength to Weight: Bending, points 3.7
23 to 25
Thermal Diffusivity, mm2/s 13
6.3
Thermal Shock Resistance, points 7.2
26 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 56.5 to 59
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.35 to 0.5
Chromium (Cr), % 0
14 to 16.5
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
76.7 to 84.6
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 2.5
Nickel (Ni), % 0 to 0.010
0 to 0.5
Nitrogen (N), % 0
0.1 to 0.3
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), % 41 to 43
0
Vanadium (V), % 0
0 to 1.5
Zinc (Zn), % 0 to 0.0010
0