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Solder Alloy 301 vs. S35045 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while S35045 stainless steel belongs to the iron alloys. There are 25 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 S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 40
200
Elongation at Break, % 51
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 15
78
Tensile Strength: Ultimate (UTS), MPa 55
540
Tensile Strength: Yield (Proof), MPa 49
190

Thermal Properties

Latent Heat of Fusion, J/g 55
310
Melting Completion (Liquidus), °C 140
1390
Melting Onset (Solidus), °C 140
1340
Specific Heat Capacity, J/kg-K 160
480
Thermal Conductivity, W/m-K 19
12
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
2.0

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 13
5.8
Embodied Energy, MJ/kg 210
83

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
170
Resilience: Unit (Modulus of Resilience), kJ/m3 30
94
Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 1.8
19
Strength to Weight: Bending, points 3.7
19
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 7.2
12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.15 to 0.6
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
0.060 to 0.1
Chromium (Cr), % 0
25 to 29
Copper (Cu), % 0 to 0.050
0 to 0.75
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
29.4 to 42.6
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.010
32 to 37
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 41 to 43
0
Titanium (Ti), % 0
0.15 to 0.6
Zinc (Zn), % 0 to 0.0010
0