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Solder Alloy 401 vs. S20910 Stainless Steel

Solder alloy 401 belongs to the otherwise unclassified metals classification, while S20910 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 9.0
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 50
200
Elongation at Break, % 21
14 to 39
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
79
Tensile Strength: Ultimate (UTS), MPa 29
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 60
300
Melting Completion (Liquidus), °C 230
1420
Melting Onset (Solidus), °C 230
1380
Specific Heat Capacity, J/kg-K 220
480
Thermal Conductivity, W/m-K 66
13
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 15
4.8
Embodied Energy, MJ/kg 250
68
Embodied Water, L/kg 1200
180

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.1
28 to 33
Strength to Weight: Bending, points 2.9
24 to 27
Thermal Diffusivity, mm2/s 40
3.6
Thermal Shock Resistance, points 1.9
17 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
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), % 0.5 to 0.9
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), % 0 to 0.070
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), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 98.5 to 99.5
0
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 0 to 0.0010
0