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Solder Alloy 301 vs. S41041 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while S41041 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
240
Elastic (Young's, Tensile) Modulus, GPa 40
190
Elongation at Break, % 51
17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 15
76
Tensile Strength: Ultimate (UTS), MPa 55
910
Tensile Strength: Yield (Proof), MPa 49
580

Thermal Properties

Latent Heat of Fusion, J/g 55
270
Melting Completion (Liquidus), °C 140
1450
Melting Onset (Solidus), °C 140
1410
Specific Heat Capacity, J/kg-K 160
480
Thermal Conductivity, W/m-K 19
29
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
3.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 13
2.2
Embodied Energy, MJ/kg 210
31

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
140
Resilience: Unit (Modulus of Resilience), kJ/m3 30
860
Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.8
32
Strength to Weight: Bending, points 3.7
27
Thermal Diffusivity, mm2/s 13
7.8
Thermal Shock Resistance, points 7.2
33

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.050
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
0.13 to 0.18
Chromium (Cr), % 0
11.5 to 13
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
84.5 to 87.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.4 to 0.6
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 41 to 43
0
Zinc (Zn), % 0 to 0.0010
0