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Archana
Archana
Asked: June 11, 20202020-06-11T16:13:17+05:30 2020-06-11T16:13:17+05:30In: Physical Metallurgy & Heat treatment

What is the purpose of lead usage?

What is the purpose of lead usage?
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    1. Rohit.km Platinum Gate aspirant.
      2020-06-11T16:20:49+05:30Added an answer on June 11, 2020 at 4:20 pm

      Lead usage where? Why it's in any specific application or you are asking in general why we use lead?

      Lead usage where? Why it’s in any specific application or you are asking in general why we use lead?

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    2. Archana B.Tech from O.P. Jindal University
      2020-06-11T16:38:01+05:30Added an answer on June 11, 2020 at 4:38 pm

      In general, why lead is used in different applications? what are the different purposes?

      In general, why lead is used in different applications? what are the different purposes?

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    3. Arpita Samal Platinum Metallurgical and Materials Engineering student
      2020-06-11T16:52:36+05:30Added an answer on June 11, 2020 at 4:52 pm

      Properties that are responsible for the many uses of elemental lead include its ductility, ease of welding, low melting point, high density, and ability to absorb gamma radiation and X-radiation. Molten lead is an excellent solvent and collector for elemental silver and gold. The structural applicatRead more

      Properties that are responsible for the many uses of elemental lead include its ductility, ease of welding, low melting point, high density, and ability to absorb gamma radiation and X-radiation. Molten lead is an excellent solvent and collector for elemental silver and gold. The structural applications of lead are limited by its low tensile and fatigue strengths and its tendency to flow even when only lightly loaded.

      When freshly cut, lead oxidizes quickly, forming a dull gray coating, formerly thought to be lead suboxide, Pb2O, but now recognized as a mixture of lead and lead monoxide, PbO, which protects the metal from further corrosion. Similarly, although lead is soluble in dilute nitric acid, it is only superficially attacked by hydrochloric or sulfuric acids because the insoluble chloride (PbCl2) or sulfate (PbSO4) coatings that are formed prevent continued reaction. Because of this general chemical resistance, considerable amounts of lead are used in roofing, as coverings for electric cables placed in the ground or underwater.

      Lead has many other applications, the largest of which is in the manufacture of storage batteries. It is used in ammunition (shot and bullets) and as a constituent of solder, type metal, bearing alloys, fusible alloys, and pewter. In heavy and industrial machinery, sheets and other parts made from lead compounds may be used to dampen noise and vibration. Because lead effectively absorbs electromagnetic radiation of short wavelengths, it is used as a protective shielding around nuclear reactors, particle accelerators, X-ray equipment, and containers used for transporting and storing radioactive materials. Together with the compound lead oxide (PbO2) and with lead-antimony or lead-calcium alloys, it is employed in common storage batteries.

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    4. C Patel Metallurgy Platinum GATE Metallurgy Coaching
      2020-12-02T09:36:36+05:30Added an answer on December 2, 2020 at 9:36 am

      Lead improves machinability in steel. Lead is also used in X Ray machines for absorption of X Rays.

      Lead improves machinability in steel.

      Lead is also used in X Ray machines for absorption of X Rays.

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