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Solder Alloy 101 vs. S44625 Stainless Steel

Solder alloy 101 belongs to the otherwise unclassified metals classification, while S44625 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 101 and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
200
Elongation at Break, % 48
22
Poisson's Ratio 0.39
0.27
Shear Modulus, GPa 14
80
Tensile Strength: Ultimate (UTS), MPa 31
590
Tensile Strength: Yield (Proof), MPa 27
360

Thermal Properties

Latent Heat of Fusion, J/g 46
290
Melting Completion (Liquidus), °C 180
1440
Melting Onset (Solidus), °C 180
1400
Specific Heat Capacity, J/kg-K 190
480
Thermal Conductivity, W/m-K 51
17
Thermal Expansion, µm/m-K 25
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.6

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 180
39
Embodied Water, L/kg 930
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
110
Resilience: Unit (Modulus of Resilience), kJ/m3 9.9
310
Stiffness to Weight: Axial, points 2.4
15
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.0
21
Strength to Weight: Bending, points 2.5
20
Thermal Diffusivity, mm2/s 31
4.6
Thermal Shock Resistance, points 2.4
19

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
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 0.010
Chromium (Cr), % 0
25 to 27.5
Copper (Cu), % 0 to 0.080
0 to 0.2
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
69.4 to 74.3
Lead (Pb), % 35.8 to 37.5
0
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0 to 0.010
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 62.5 to 63.5
0
Zinc (Zn), % 0 to 0.0010
0