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Lead Alloys

Lead is very soft and ductile; it is normally used for Lead Alloys. Antimony, selenium, arsenic, copper, tin and calcium are the most common alloying elements of lead. Unalloyed lead has poor wetting characteristics.

   1. Antimonies Lead Alloys

      Antimony generally is used to provide more hardness and strength, as in storage battery grids, sheet, pipe, and castings. Antimony is used as wheel weights, bullets, sheet lead, and in battery applications. Pipes are also made from lead and Lead Alloys. Usually Antimony contents of lead-antimony alloys from 2 to 5%.

      •   Lead Antimony Alloys is largely used in batteries.
      •   Lead Antimony Alloys are used widely in the chemical industry for pumps and valves in chemical plants and radiation shielding


   2. Lead Calcium Alloys

      Lead Calcium Alloys are used in storage battery grids and casting applications. Lead Calcium Alloys contain 0.03 to 0.15% Ca.


   3. Tin Lead Alloys

      Tin Lead Alloys are commonly used for their good melting, & casting properties, as in type metals and solders. If tin is added to lead or Lead Alloys, it increases the hardness and strength. Lead tin solder is widely used, particularly by the electronics industry, also used in bearings and ornamental ware.

      Tin Lead Alloys is used in plumbing and electronic applications. Tin provides the alloy the ability to wet and bond with metals such as steel and copper.

      Arsenical Lead is used for cable sheathing. Arsenic is often used to harden lead-antimony alloys and is essential to the production of round dropped shot.