Types of Steel

Thursday, October 1, 2015

Steel is manufactured in thousands of different grades, each encompassing unique physical, chemical and environmental properties. Each of these properties varies with their intended application. According to the American Iron and Steel Institute (AISI), steels can be broadly categorized into four groups based on their chemical compositions:

Carbon Steels
Carbon steels are the most widely used and accounts for 90% of the total steel produced. Carbon steels can be divided up into three groups based on their carbon content – Low Carbon, Medium Carbon or High Carbon.

Alloy Steels
Alloy steels contain alloying elements – nickel, titanium, copper, aluminum and the like – in varying amounts. This enables steel manufacturers to manipulate the steel’s properties, creating greater strength, formability, ductility and corrosion resistance.

Stainless Steels
Stainless steels usually contain chromium as the main alloying element and are most noted for their corrosion resistance. Stainless steels can be divided into three sub-categories – austenitic, ferritic and martensitic.

Tool Steels
Tool steels contain varying quantities of tungsten, molybdenum, cobalt and vanadium. These types of steels are known to have high tolerances for heat resistance, making them very durable and ideal for cutting and drilling equipment.

Here at MVMTC we are equipped to test a multitude of steels in a variety of ways. From tensile and mechanical testing to corrosion and failure analysis we can meet your materials testing needs. Visit our website or contact us for more information. 


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