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Solder Alloy 171 vs. N08020 Stainless Steel

Solder alloy 171 belongs to the otherwise unclassified metals classification, while N08020 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 171 and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
200
Elongation at Break, % 45
15 to 34
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 14
77
Tensile Strength: Ultimate (UTS), MPa 48
610 to 620

Thermal Properties

Latent Heat of Fusion, J/g 47
300
Melting Completion (Liquidus), °C 180
1410
Melting Onset (Solidus), °C 180
1360
Specific Heat Capacity, J/kg-K 190
460
Thermal Conductivity, W/m-K 50
12
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 12
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 13
6.6
Embodied Energy, MJ/kg 210
92

Common Calculations

Stiffness to Weight: Axial, points 2.4
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 1.5
21
Strength to Weight: Bending, points 3.3
20
Thermal Diffusivity, mm2/s 30
3.2
Thermal Shock Resistance, points 3.7
15

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 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0 to 0.080
3.0 to 4.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
29.9 to 44
Lead (Pb), % 34.7 to 36.7
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.010
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 61.5 to 62.5
0
Zinc (Zn), % 0 to 0.0010
0