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Solder Alloy 101 vs. S32750 Stainless Steel

Solder alloy 101 belongs to the otherwise unclassified metals classification, while S32750 stainless steel belongs to the iron alloys. There are 27 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 S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
270
Elastic (Young's, Tensile) Modulus, GPa 38
210
Elongation at Break, % 48
17
Poisson's Ratio 0.39
0.27
Shear Modulus, GPa 14
81
Tensile Strength: Ultimate (UTS), MPa 31
860
Tensile Strength: Yield (Proof), MPa 27
590

Thermal Properties

Latent Heat of Fusion, J/g 46
300
Melting Completion (Liquidus), °C 180
1450
Melting Onset (Solidus), °C 180
1400
Specific Heat Capacity, J/kg-K 190
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 25
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.5

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 11
4.1
Embodied Energy, MJ/kg 180
56
Embodied Water, L/kg 930
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
130
Resilience: Unit (Modulus of Resilience), kJ/m3 9.9
860
Stiffness to Weight: Axial, points 2.4
15
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.0
31
Strength to Weight: Bending, points 2.5
26
Thermal Diffusivity, mm2/s 31
4.0
Thermal Shock Resistance, points 2.4
25

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 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.080
0 to 0.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
58.1 to 66.8
Lead (Pb), % 35.8 to 37.5
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.010
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.8
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