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Solder Alloy 115 vs. S32750 Stainless Steel

Solder alloy 115 belongs to the otherwise unclassified metals classification, while S32750 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 115 and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 12
270
Elastic (Young's, Tensile) Modulus, GPa 28
210
Elongation at Break, % 22
17
Poisson's Ratio 0.41
0.27
Shear Modulus, GPa 10
81
Tensile Strength: Ultimate (UTS), MPa 36
860

Thermal Properties

Latent Heat of Fusion, J/g 36
300
Melting Completion (Liquidus), °C 250
1450
Melting Onset (Solidus), °C 180
1400
Specific Heat Capacity, J/kg-K 160
480
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 95
21
Density, g/cm3 9.9
7.8
Embodied Carbon, kg CO2/kg material 7.8
4.1
Embodied Energy, MJ/kg 130
56
Embodied Water, L/kg 730
180

Common Calculations

Stiffness to Weight: Axial, points 1.6
15
Stiffness to Weight: Bending, points 10
25
Strength to Weight: Axial, points 1.0
31
Strength to Weight: Bending, points 2.4
26
Thermal Diffusivity, mm2/s 27
4.0
Thermal Shock Resistance, points 3.4
25

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
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 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.080
0 to 0.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
58.1 to 66.8
Lead (Pb), % 63.4 to 65.5
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.010
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.8
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 34.5 to 35.5
0
Zinc (Zn), % 0 to 0.0010
0