Engineering Materials
Tungsten in steel

Gives ductility, toughness, tensile strength and anti-corrosion properties
Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
Improves cutting ability and reduces hardenability
Improves wear resistance, cutting ability and toughness

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Engineering Materials
Cyaniding is the process of

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

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