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Solder Alloy 801 vs. S45000 Stainless Steel

Solder alloy 801 belongs to the otherwise unclassified metals classification, while S45000 stainless steel belongs to the iron alloys. There are 24 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 801 and the bottom bar is S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 22
280 to 410
Elastic (Young's, Tensile) Modulus, GPa 53
200
Elongation at Break, % 33
6.8 to 14
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 20
76
Tensile Strength: Ultimate (UTS), MPa 55
980 to 1410

Thermal Properties

Latent Heat of Fusion, J/g 64
280
Melting Completion (Liquidus), °C 200
1440
Melting Onset (Solidus), °C 200
1390
Specific Heat Capacity, J/kg-K 240
480
Thermal Conductivity, W/m-K 61
17
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 19
2.5

Otherwise Unclassified Properties

Density, g/cm3 7.2
7.8
Embodied Carbon, kg CO2/kg material 14
2.8
Embodied Energy, MJ/kg 240
39
Embodied Water, L/kg 1140
130

Common Calculations

Stiffness to Weight: Axial, points 4.1
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
35 to 50
Strength to Weight: Bending, points 4.4
28 to 36
Thermal Diffusivity, mm2/s 36
4.5
Thermal Shock Resistance, points 3.3
33 to 47

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 0.050
Chromium (Cr), % 0
14 to 16
Copper (Cu), % 0 to 0.050
1.3 to 1.8
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
72.1 to 79.3
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0 to 0.010
5.0 to 7.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 89.9 to 91.5
0
Zinc (Zn), % 8.5 to 9.5
0