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Solder Alloy 301 vs. S44735 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while S44735 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
220
Elastic (Young's, Tensile) Modulus, GPa 40
210
Elongation at Break, % 51
21
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 15
82
Tensile Strength: Ultimate (UTS), MPa 55
630
Tensile Strength: Yield (Proof), MPa 49
460

Thermal Properties

Latent Heat of Fusion, J/g 55
310
Melting Completion (Liquidus), °C 140
1460
Melting Onset (Solidus), °C 140
1420
Specific Heat Capacity, J/kg-K 160
480
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 13
4.4
Embodied Energy, MJ/kg 210
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
120
Resilience: Unit (Modulus of Resilience), kJ/m3 30
520
Stiffness to Weight: Axial, points 2.5
15
Stiffness to Weight: Bending, points 13
26
Strength to Weight: Axial, points 1.8
23
Strength to Weight: Bending, points 3.7
21
Thermal Shock Resistance, points 7.2
20

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 0.030
Chromium (Cr), % 0
28 to 30
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
60.7 to 68.4
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 0 to 0.010
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
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), % 41 to 43
0
Titanium (Ti), % 0
0.2 to 1.0
Zinc (Zn), % 0 to 0.0010
0