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Solder Alloy 135 vs. S20432 Stainless Steel

Solder alloy 135 belongs to the otherwise unclassified metals classification, while S20432 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 135 and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 27
200
Elongation at Break, % 20
45
Poisson's Ratio 0.41
0.28
Shear Modulus, GPa 9.5
76
Tensile Strength: Ultimate (UTS), MPa 35
580

Thermal Properties

Latent Heat of Fusion, J/g 36
280
Melting Completion (Liquidus), °C 250
1410
Melting Onset (Solidus), °C 190
1370
Specific Heat Capacity, J/kg-K 160
480
Thermal Conductivity, W/m-K 42
15
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 90
13
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 7.3
2.7
Embodied Energy, MJ/kg 120
38
Embodied Water, L/kg 720
140

Common Calculations

Stiffness to Weight: Axial, points 1.5
14
Stiffness to Weight: Bending, points 9.9
25
Strength to Weight: Axial, points 1.0
21
Strength to Weight: Bending, points 2.4
20
Thermal Diffusivity, mm2/s 27
4.0
Thermal Shock Resistance, points 3.5
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 1.8
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0 to 0.080
2.0 to 3.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
66.7 to 74
Lead (Pb), % 67.1 to 70
0
Manganese (Mn), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.010
4.0 to 6.0
Nitrogen (N), % 0
0.050 to 0.2
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 0.030
Tin (Sn), % 29.5 to 30.5
0
Zinc (Zn), % 0 to 0.0010
0