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Solder Alloy 601 vs. S31266 Stainless Steel

Solder alloy 601 belongs to the otherwise unclassified metals classification, while S31266 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is solder alloy 601 and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
210
Elongation at Break, % 83
40
Poisson's Ratio 0.41
0.28
Shear Modulus, GPa 11
81
Tensile Strength: Ultimate (UTS), MPa 12
860

Thermal Properties

Latent Heat of Fusion, J/g 43
310
Melting Completion (Liquidus), °C 120
1470
Melting Onset (Solidus), °C 120
1420
Specific Heat Capacity, J/kg-K 230
460
Thermal Conductivity, W/m-K 34
12
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.2
Embodied Water, L/kg 1330
220

Common Calculations

Stiffness to Weight: Axial, points 2.3
14
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 0.45
29
Strength to Weight: Bending, points 1.6
24
Thermal Diffusivity, mm2/s 20
3.1
Thermal Shock Resistance, points 1.2
18

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), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0 to 0.050
1.0 to 2.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 51 to 52.5
0
Iron (Fe), % 0 to 0.020
34.1 to 46
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
5.2 to 6.2
Nickel (Ni), % 0 to 0.010
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 47.5 to 48.5
0
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 0 to 0.0010
0