What is 4140 steel, and what makes it one of the most popular choices for challenging applications in automotive, aerospace, and beyond?

In this blog, we review the fundamentals of this important steel grade, explore its key properties, and explain what makes it different from some other leading grades.

Steel is called on to perform in a broad variety of military and aerospace applications ranging from bomb lugs, to tank armor, to jet engine components. The key to success in these challenging operating environments?

In this article, we define military grade steel, explain what makes it different, and highlight some common grades of steel ready for military and aerospace needs.