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Uses
Ferrous Sulphide or Iron Sulfide sticks are widely used as a laboratory
chemical for the preparation of Hydrogen Sulphide gas, by famous KIPP'S apparatus when comes in contact with dilute mineral
acids.
In foundries, during electric melting, residual sulphur level
decreases due to cleaner melting practices and the use of low
sulphur steel scrap. Ferrous Sulfide or Iron
Sulphide is found that iron does not readily
respond to inoculants if Sulphur is below 0.04%. Then it is
necessary to resulphurize by using Ferrous Sulphide.
In Alloy And Stainless Steel Industries To Control Hydrogen
Embrittlement It is very convenient and economic to use
Ferrous Sulphide or Iron Sulfide for resulphurization in these steels to hold the right
level of 'S' and ensuring not to drop 'S' level.
Ferrous Sulphide or Iron Sulfide is used as a resulphurizing agent in the
production of carbon, alloy and stainless types of free cutting
steels.
Ferrous Sulphide or Iron Sulfide iacts as an alloying agent to improve machineability
of steel castings which are used to manufacture various steel
components.
Sulphur in form of Ferrous Sulphide or Iron Sulfide is added along with FeSi & FeMn to increase the 'S' contents of electrically melted iron. Addition of FeS Ferrous Sulphide or Iron Sulfide influences white iron formation and obtain 'S' contents approximately 0.15%
The Purification Of Crude Phosphoric Acid Ferrous Sulfide is used in cake form as a reducing agent to remove heavy metal impurities from phosphoric acid.
Elemental Sulphur has very low melting point and its tendency to float on the surface of molten metal resulting in the release of Sulphur dioxide, an undesirable gas which pollutes the working environment. Moreover, low melting eutectic brittle compounds form along the grain boundaries and mechanical properties are deteriorated. Hence Ferrous Sulphide or Iron Sulfide and not Sulphur is used for increasing sulphur content of Iron and Steel.