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Solder Alloy 101 vs. S21904 Stainless Steel

Solder alloy 101 belongs to the otherwise unclassified metals classification, while S21904 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 101 and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 38
200
Elongation at Break, % 48
17 to 51
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 14
78
Tensile Strength: Ultimate (UTS), MPa 31
700 to 1000
Tensile Strength: Yield (Proof), MPa 27
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 46
290
Melting Completion (Liquidus), °C 180
1400
Melting Onset (Solidus), °C 180
1350
Specific Heat Capacity, J/kg-K 190
480
Thermal Conductivity, W/m-K 51
14
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.9

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 11
3.0
Embodied Energy, MJ/kg 180
43
Embodied Water, L/kg 930
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 9.9
380 to 2070
Stiffness to Weight: Axial, points 2.4
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.0
25 to 36
Strength to Weight: Bending, points 2.5
23 to 29
Thermal Diffusivity, mm2/s 31
3.8
Thermal Shock Resistance, points 2.4
15 to 21

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 0.040
Chromium (Cr), % 0
19 to 21.5
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
59.5 to 67.4
Lead (Pb), % 35.8 to 37.5
0
Manganese (Mn), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.010
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
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), % 62.5 to 63.5
0
Zinc (Zn), % 0 to 0.0010
0