What is 4140 Steel and What is it used for?

Many people know about 4140 steel’s hardenability, which shows how useful and versatile it can be for projects of all kinds. This blog will help you understand what 4140 steel is and how it can be used.

Is 4140 Considered Carbon Steel?

Steel 4140 is considered a medium-carbon alloy. Molybdenum and chromium make it one of the most common steel alloys for people to choose from. The molybdenum makes the steel tougher than expected, while the chromium increases its resistance to corrosive substances. These two elements make 4140 a good fit for various projects.

How Is 4140 Alloy Steel Made?

This steel is made by putting carbon, iron, and other items into an oxygen or electric furnace. After the carbon, iron, chromium, molybdenum, and manganese are mixed as a liquid, it is given time to cool.

What Is 4140 Steel Used For?

As mentioned, many industries appreciate 4140 properties in steel. It’s often used in oil and gas and the aerospace fields.

Typical applications of 4140 include craft collars, gears, crankshafts, shafts, and machinery parts due to the inherent strength of the grade.

Finding 4140 Near You

Ryerson stocks 4140 round bars in both annealed and quenched and tempered.

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Ryerson: The Metal Supplier of Choice

Ryerson is a leading North American metal supplier that provides more than just metal. We respond to the ever-changing needs of manufacturing today.

With a vast inventory of steel, stainless, aluminum, alloy, and more, we are committed to providing our customers with the metal and services they need to succeed. We stock a range of shapes and sizes, or we can provide processing and fabrication for every product we sell.

Order online at Ryerson.com for comprehensive pricing and fast delivery, or contact us today to learn more about how we can meet your metal needs.