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Solder Alloy 171 vs. S20910 Stainless Steel

Solder alloy 171 belongs to the otherwise unclassified metals classification, while S20910 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 171 and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 16
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 38
200
Elongation at Break, % 45
14 to 39
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 14
79
Tensile Strength: Ultimate (UTS), MPa 48
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 47
300
Melting Completion (Liquidus), °C 180
1420
Melting Onset (Solidus), °C 180
1380
Specific Heat Capacity, J/kg-K 190
480
Thermal Conductivity, W/m-K 50
13
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 13
4.8
Embodied Energy, MJ/kg 210
68

Common Calculations

Stiffness to Weight: Axial, points 2.4
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.5
28 to 33
Strength to Weight: Bending, points 3.3
24 to 27
Thermal Diffusivity, mm2/s 30
3.6
Thermal Shock Resistance, points 3.7
17 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 0.060
Chromium (Cr), % 0
20.5 to 23.5
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
52.1 to 62.1
Lead (Pb), % 34.7 to 36.7
0
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0 to 0.010
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 61.5 to 62.5
0
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 0 to 0.0010
0