Engineering Materials
Sulphur in steel

Reduces the grain size
Lowers the toughness and transverse ductility
Decreases tensile strength and hardness
Acts as deoxidiser

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Engineering Materials
Cyaniding is the process of

Dipping steel in cyanide bath
Reacting steel surface with cyanide salts
Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness
Obtaining cyanide salts

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