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Solder Alloy 301 vs. S41425 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while S41425 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
280
Elastic (Young's, Tensile) Modulus, GPa 40
200
Elongation at Break, % 51
17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 15
77
Tensile Strength: Ultimate (UTS), MPa 55
920
Tensile Strength: Yield (Proof), MPa 49
750

Thermal Properties

Latent Heat of Fusion, J/g 55
280
Melting Completion (Liquidus), °C 140
1450
Melting Onset (Solidus), °C 140
1410
Specific Heat Capacity, J/kg-K 160
470
Thermal Conductivity, W/m-K 19
16
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
2.7

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 13
2.9
Embodied Energy, MJ/kg 210
40

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
150
Resilience: Unit (Modulus of Resilience), kJ/m3 30
1420
Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.8
33
Strength to Weight: Bending, points 3.7
27
Thermal Diffusivity, mm2/s 13
4.4
Thermal Shock Resistance, points 7.2
33

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), % 56.5 to 59
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
12 to 15
Copper (Cu), % 0 to 0.050
0 to 0.3
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
74 to 81.9
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.010
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 41 to 43
0
Zinc (Zn), % 0 to 0.0010
0