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S21640 Stainless Steel vs. Solder Alloy 101

S21640 stainless steel belongs to the iron alloys classification, while solder alloy 101 belongs to the otherwise unclassified metals. 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 S21640 stainless steel and the bottom bar is solder alloy 101.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
14
Elastic (Young's, Tensile) Modulus, GPa 200
38
Elongation at Break, % 46
48
Poisson's Ratio 0.28
0.39
Shear Modulus, GPa 78
14
Tensile Strength: Ultimate (UTS), MPa 740
31
Tensile Strength: Yield (Proof), MPa 350
27

Thermal Properties

Latent Heat of Fusion, J/g 290
46
Melting Completion (Liquidus), °C 1430
180
Melting Onset (Solidus), °C 1380
180
Specific Heat Capacity, J/kg-K 480
190
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
12

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.6
11
Embodied Energy, MJ/kg 51
180
Embodied Water, L/kg 150
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
14
Resilience: Unit (Modulus of Resilience), kJ/m3 300
9.9
Stiffness to Weight: Axial, points 14
2.4
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 27
1.0
Strength to Weight: Bending, points 23
2.5
Thermal Diffusivity, mm2/s 4.0
31
Thermal Shock Resistance, points 16
2.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17.5 to 19.5
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 63 to 74.3
0 to 0.020
Lead (Pb), % 0
35.8 to 37.5
Manganese (Mn), % 3.5 to 6.5
0
Molybdenum (Mo), % 0.5 to 2.0
0
Nickel (Ni), % 4.0 to 6.5
0 to 0.010
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0.080 to 0.3
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
62.5 to 63.5
Zinc (Zn), % 0
0 to 0.0010