4140 Alloy Steel

Qilu’s materials processing guidelines are designed to help customers with plate processing operations such as cutting, bending, welding, machining and heat treatment. Based on the results from extensive testing performed by our dedicated Research & Development Centre, the guidelines cover a wide range of industrial conditions and represent to the best of our knowledge, current practices in the industry.

What is 4140 Alloy Steel?

4140 steel bar is formed using a medium carbon alloy steel. One of the most common alloy grades, 4140 possesses high fatigue strength, abrasion, and impact resistance, as well as increased durability especially in the quench and tempered form. 4140 steel bar is highly used in the automotive, oil patch, and construction industries in the form of axles, shafts, and bolts.

Related models of 4140 alloy steel

Our 4140 alloy steel products include the following models: