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Solder Alloy 136 vs. S44725 Stainless Steel

Solder alloy 136 belongs to the otherwise unclassified metals classification, while S44725 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 136 and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 25
200
Elongation at Break, % 19
22
Poisson's Ratio 0.42
0.27
Shear Modulus, GPa 8.9
81
Tensile Strength: Ultimate (UTS), MPa 34
500

Thermal Properties

Latent Heat of Fusion, J/g 34
290
Melting Completion (Liquidus), °C 260
1450
Melting Onset (Solidus), °C 190
1410
Specific Heat Capacity, J/kg-K 150
480
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 27
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 90
15
Density, g/cm3 10
7.7
Embodied Carbon, kg CO2/kg material 6.8
3.1
Embodied Energy, MJ/kg 110
44
Embodied Water, L/kg 680
170

Common Calculations

Stiffness to Weight: Axial, points 1.4
15
Stiffness to Weight: Bending, points 9.5
25
Strength to Weight: Axial, points 0.92
18
Strength to Weight: Bending, points 2.3
18
Thermal Diffusivity, mm2/s 26
4.6
Thermal Shock Resistance, points 3.6
16

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 2.0
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 0.015
Chromium (Cr), % 0
25 to 28.5
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
67.6 to 73.5
Lead (Pb), % 71.9 to 75
0
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0 to 0.010
0 to 0.3
Niobium (Nb), % 0
0 to 0.26
Nitrogen (N), % 0
0 to 0.018
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.040
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 24.5 to 25.5
0
Titanium (Ti), % 0
0 to 0.26
Zinc (Zn), % 0 to 0.0010
0