DIFFERENT TYPES OF STEELS



Steel is one of the prime materials which is used for manufacturing tools auto-parts, machines cutlery and especially daily life products etc. In steels, there is a variety of grades and classes available. steels are the most useful class of steel. If you want to know about remaining classes or investigate different grades of steels then you might need the help of Professional Dissertation Writers.
Following are the main types of tool steels,

Ø  WATER HARDENING STEEL

This is basically high carbon steel. While it generally has a lower cost it does not use high-temperature applications. Carbon is the principal alloying element in tool steels, but small additions of chromium, silicon, and vanadium are added.
Typical applications of W-Grade tool steel include Cold Heading, Cutting tools and knives, Embossing, Reamers, hardware tools, and Cutlery.

Ø  SHOCK RESISTING STEELS

This type of tool steel has been designed to resist shock at high or low temperatures. The alloying elements of this group are mainly carbon but few amounts of manganese, silicon, chromium, tungsten, and molybdenum is found.
Typical applications of S-grade tool steel include Battering Tools, Boiler-Shop Tools, Chisel Blacksmiths, Chisel Cold Working and Hot Working.

Ø  OIL HARDENING STEELS:

This is a general-purpose oil hardening tool steels. The principal alloying elements of this group are carbon, manganese, vanadium, tungsten, chromium.
Typical applications of O-Grade tool steel include Arbors, Bushing, Chasers (Thread Cutting), Collets, Die Blanking, Cold Forming, Cold Trimming, Drill Bushing, Gages, Knurling Tools.

Ø  AIR HARDENING STEEL:

These are very versatile steels, all-purpose tool steel that is characterized by low distortion rating during heat treatment. Modern air-hardening steels are characterized by low distortion when heat treatment is done over it because of its high-chromium content. This is a very versatile, all-purpose tool steel that is characterized by low distortion factor during heat analysis, due to the increased chromium content. A-Grade tool steel includes Gears, Arbors, Cams/shafts, and Die Bending etc.

Ø  MOLYBDENUM HIGH-SPEED STEELS:

It is a tungsten type of super high-speed steel that contains vanadium and cobalt. The approximate percentage of molybdenum in the group M high-speed tool steels is 3.5 to 9.9%. It has a good combination of toughness and red-hardness. The high content of vanadium provides excellent abrasion and wear resistance. The cobalt content in this grade provides very high resistance to softening at high temperatures (red-hardness). They widely used in cutting tools such as drills, reamers, saw blades, end mills, milling cutters, taps, lathe tools, etc.
It is imperative from the learner's viewpoint that they should be well aware of the different types of steels because it would help them to know its application without any apprehension. However, at times students face difficulties and prefer to buy custom dissertation on these sorts of topics.

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