Pb
Pb
"Pb" represents lead, which is indeed a non-ferrous metal. While lead is not commonly referred to as an "alloy" in the same way as metals like aluminum or copper, it is frequently used as an alloying element in the production of various non-ferrous alloys.
Lead is often combined with other metals to form alloys with specific properties. Some common lead-based alloys include:
- Solder Alloys: Lead-tin alloys are commonly used in soldering applications due to their low melting points and excellent wetting properties. For example, a common solder alloy is 60% tin and 40% lead (Sn60Pb40).
- Bearing Alloys: Lead-based bearing alloys, such as leaded bronze, are used in the manufacturing of bearings due to their lubricating properties and resistance to seizure.
- Cable Sheathing: Lead is used as a component in some cable sheathing alloys due to its high density and resistance to corrosion.
- Radiation Shielding: Lead is commonly used in radiation shielding applications due to its high density and ability to absorb radiation.
It's important to note that lead has potential health and environmental hazards, so its use is regulated in many industries. In recent years, there has been a push to reduce or eliminate the use of lead in various applications, especially in products that come into contact with food, water, or people.