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Solder Alloy 301 vs. S35500 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while S35500 stainless steel belongs to the iron alloys. There are 25 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 S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 40
200
Elongation at Break, % 51
14
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 15
78
Tensile Strength: Ultimate (UTS), MPa 55
1330 to 1490
Tensile Strength: Yield (Proof), MPa 49
1200 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 55
280
Melting Completion (Liquidus), °C 140
1460
Melting Onset (Solidus), °C 140
1420
Specific Heat Capacity, J/kg-K 160
470
Thermal Conductivity, W/m-K 19
16
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
2.5

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 13
3.5
Embodied Energy, MJ/kg 210
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 30
3610 to 4100
Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.8
47 to 53
Strength to Weight: Bending, points 3.7
34 to 37
Thermal Diffusivity, mm2/s 13
4.4
Thermal Shock Resistance, points 7.2
44 to 49

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
0.1 to 0.15
Chromium (Cr), % 0
15 to 16
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
73.2 to 77.7
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 1.3
Molybdenum (Mo), % 0
2.5 to 3.2
Nickel (Ni), % 0 to 0.010
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0
0 to 0.040
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