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Solder Alloy 104 vs. S64512 Stainless Steel

Solder alloy 104 belongs to the otherwise unclassified metals classification, while S64512 stainless steel belongs to the iron alloys. There are 23 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 104 and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
200
Elongation at Break, % 46
17
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 13
76
Tensile Strength: Ultimate (UTS), MPa 51
1140

Thermal Properties

Latent Heat of Fusion, J/g 45
270
Melting Completion (Liquidus), °C 190
1460
Melting Onset (Solidus), °C 180
1420
Specific Heat Capacity, J/kg-K 180
470
Thermal Conductivity, W/m-K 50
28
Thermal Expansion, µm/m-K 25
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 11
4.1

Otherwise Unclassified Properties

Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 10
3.3
Embodied Energy, MJ/kg 180
47
Embodied Water, L/kg 900
110

Common Calculations

Stiffness to Weight: Axial, points 2.3
14
Stiffness to Weight: Bending, points 12
25
Strength to Weight: Axial, points 1.6
40
Strength to Weight: Bending, points 3.4
31
Thermal Diffusivity, mm2/s 30
7.5
Thermal Shock Resistance, points 4.0
42

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0
11 to 12.5
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
80.6 to 84.7
Lead (Pb), % 39 to 40.5
0
Manganese (Mn), % 0
0.5 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.010
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.35
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 59.5 to 60.5
0
Vanadium (V), % 0
0.25 to 0.4
Zinc (Zn), % 0 to 0.0010
0