Steel offers a number of major contributions to the production of heavy-duty and highly competitive military advancements and the development of infrastructure for national security and defense.
United States Steel
The USS New York was an example of steel’s major contributions to military defense. It was made up of almost 24 tons of recycled steel reclaimed from the World Trade Center. The USS George H.W. Bush aircraft carrier – built with almost 47,000 tons of structural steels.
Steel is used widely in the US, recognized as a very strategic material that can strengthen existing infrastructure and installations. No matter what the policies are, this is one reason why the steel industry will always be important.
Military Steel Advancements
Military defense has become very robust and highly competitive (especially in the construction and structure of defense weapons and gears) with the advent of new technologies and advancements made in steel boosting and metalworking.
The production and construction of heavy-duty and advanced military applications has undergone a critical and thorough selection and evaluation of steels and metals that can withstand an extensive range of extreme temperatures and conditions.
The use of steel and other related materials is very extensive. Hundreds of manufacturing industries in different areas have thousands of men working on the production of high-quality, cost-effective materials in a wide range of military applications. These include, armor plates for tanks, Patriot and Stinger missiles, nuclear submarines, field artillery pieces, and most importantly aircraft carriers.
Military Steel Production
In the production of necessary materials for military defense (e.g. jet aircraft, helicopters, munitions, missiles, submarines) steels and special metals are crucial components; they comprise almost 90% of their composition and give these materials their strength.
Steels are forged finely to reach maximum strength and required mechanical properties. Stringent evaluation and testing are constant in the selection of steels since they are subjected to varying levels of tempered conditions and elevated temperatures.
Steels are forged in different forms such as plates, bars, etc. to be used in different bodies and systems. The military and defense application of steel is not limited to the construction of aircraft alone but to land-based vehicles like tanks, fighting vehicles, and MRAP vehicles as well. Just as defense industries continuously find ways to strengthen security, steel manufacturers constantly look for innovation in steel crafting to develop the high-quality and competitive materials necessary for the execution of the military’s mission.
The Basics of Aluminum Alloy
Aluminum is the most abundant metal in Earth’s crust after silicon and oxygen. It has a silvery-white appearance and contains a lot of valuable mechanical properties. It possesses 60% of the electrical conductivity of copper, with much lower density, making it a lightweight material perfect for aircraft and aerospace construction.
Pure aluminum is soft and ductile, but it can be strengthened when it is alloyed with other elements like magnesium, copper, and silicon. Such alloys possess better corrosion resisting properties, with a protective oxide coating that is achieved and enhanced through the process of anodization. Their lightweight and non-toxic mechanical properties enable them to be easily machined and cast. One good thing about aluminum is that it is recyclable, which can save considerable amounts of energy. They only need to undergo a melting process in order for them to be reused.
Aluminum alloys have low density, therefore, they are lightweight which is one of the key factors to consider in constructing an aircraft and its vital parts. Other important properties they possess are malleability, high strength, easy machining, good electrical and thermal conductivity, and excellent corrosion resistance.
Aluminum in the Aviation Industry
80 percent of commercial transport aircraft frames are made up of aluminum. This alloy is the top choice for the construction of aircraft and parts like wings and fuselage. Most navy aircraft are mainly made of fabricated aluminum. The focus on aluminum casting technology is continuing to earn recognition with its countless advantages in forming complex parts for aircraft structure. With a low manufacturing cost, Aluminum Alloy is the top choice for incorporating innovative and complicated design concepts in the aviation industry.
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