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Solder Alloy 401 vs. S44700 Stainless Steel

Solder alloy 401 belongs to the otherwise unclassified metals classification, while S44700 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 9.0
200
Elastic (Young's, Tensile) Modulus, GPa 50
210
Elongation at Break, % 21
23
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 19
82
Tensile Strength: Ultimate (UTS), MPa 29
600

Thermal Properties

Latent Heat of Fusion, J/g 60
300
Melting Completion (Liquidus), °C 230
1460
Melting Onset (Solidus), °C 230
1410
Specific Heat Capacity, J/kg-K 220
480
Thermal Expansion, µm/m-K 22
11

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 15
3.6
Embodied Energy, MJ/kg 250
49
Embodied Water, L/kg 1200
180

Common Calculations

Stiffness to Weight: Axial, points 3.8
15
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.1
21
Strength to Weight: Bending, points 2.9
20
Thermal Shock Resistance, points 1.9
19

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 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0.5 to 0.9
0 to 0.15
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
64.9 to 68.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0 to 0.010
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 98.5 to 99.5
0
Zinc (Zn), % 0 to 0.0010
0