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Solder Alloy 601 vs. SAE-AISI 50B50 Steel

Solder alloy 601 belongs to the otherwise unclassified metals classification, while SAE-AISI 50B50 steel belongs to the iron alloys. There are 22 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 601 and the bottom bar is SAE-AISI 50B50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 5.0
180
Elastic (Young's, Tensile) Modulus, GPa 31
190
Elongation at Break, % 83
22
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 11
73
Tensile Strength: Ultimate (UTS), MPa 12
590

Thermal Properties

Latent Heat of Fusion, J/g 43
250
Melting Completion (Liquidus), °C 120
1460
Melting Onset (Solidus), °C 120
1410
Specific Heat Capacity, J/kg-K 230
470
Thermal Conductivity, W/m-K 34
45
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 14
8.3

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Water, L/kg 1330
48

Common Calculations

Stiffness to Weight: Axial, points 2.3
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 0.45
21
Strength to Weight: Bending, points 1.6
20
Thermal Diffusivity, mm2/s 20
12
Thermal Shock Resistance, points 1.2
17

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Boron (B), % 0
0.00050 to 0.0030
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 51 to 52.5
0
Iron (Fe), % 0 to 0.020
97.4 to 98.2
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.75 to 1.0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 47.5 to 48.5
0
Zinc (Zn), % 0 to 0.0010
0