Steel Types
There are different steel types like stainless steel, alloy steel, mild steel , high carbon steels, Tool steels, High speed steels, Low carbon steels, Special purpose steel, Killed steel, Semi killed steel, Rimmed steel, etc.

Types of alloy steel
There are different types of alloy steel and these are free cutting or machining steel, high strength low alloy steel, maraging steel, dual phase steel, low expansion steel, creep resisting steel, spring steel.

Types of stainless steel
There are different types of stainless steel and these are classified by their chemical composition and structure and these are Austenitic stainless steels, Ferritic stainless steels, Martensitic stainless steels, Duplex stainless steels or austenitic-ferritic stainless steels.

Types of tool steels
There are different types of tool steels and these are High speed tool steel, Water Hardening tool steel, Shock Resisting tool Steel, Cold work tool steel, Hot Work tool steel, Special purpose tool steel, etc.