41l40 alloy steel round bar

Our 41L40/41L42 alloy round bar stock is the perfect metal for forging things that carbon steel cannot provide.


41L40/41L42 Alloy bar stock are grades that are capable of strength and wear resistance as this is a free-machining version of Chromium-Molybdenum which in turn gives it excellent toughness and ductility allowing it the ability to resist stress and creep at prolonged high temperatures. 

The addition of a small amount of lead to 41L40/41L42 Alloy bar stock chemistry and its cold drawing will increase its average machinability rating to 86%. 

The common applications of 41L40/41L42 Alloy round bar stock include drill collars, kelly bars, bolts, couplings, subs, rotary table shafting, oil well tool joints, reamer bodies, sprockets, trailer axles, spindles, chain links, zinc die casting dies and much more but this does not mean that you should be using this in applications that are over 400deg F. elevated temperatures as it may cause lower ductility in leaded grades.

Steel Purchaser

Contact only the best 41l40 round bar providers in the business

An increasing number of companies are now turning to 41l40 round bar. Why? That is because it has the characteristics they are looking for in their products. 41l42 steel is a type of structural steel that is valuable in manufacturing lots of products, 

The 41l40 alloy steel has good corrosion resistance, high strength at low temperatures, and ductility at elevated temperatures. It has excellent formability, weldability, and machinability and can be easily cut into thin sheets. The 41l40 round bar offers high tensile strength, good corrosion resistance, and good impact toughness. Advance Grinding has the right kind of steel that you need to help you keep up with your business or latest venture. Our 41L40/41L42 alloy round bar stock is the perfect metal for forging things that carbon steel cannot provide.

If you want to acquire the best metal forged in the industry, then you’ll be happy to know that Advance Grinding can provide you with just that. We understand the value of supplying our clients with quality metal, which is precisely why you should trust us, to supply you with high-quality metals. Contact us today so that you can get a quote on the alloy that you need.


As such, it is now understandable why this type of alloy steel is sought after getting a quick review of its components.

Consequently, its high machinability is highlighted as it is commonly combined with sulfur to further improve its machinability and make carburizing processes more effective.

With its excellent machinability, this even elevated this alloy steel’s prominence among industries.

Fortunately, Advance Grinding Services never runs out of 4140 alloy steel bars and can very much supply your needs especially if you are operating in the Illinois area!


Tensile Strength95000 psi
Yield Strength60200 psi
Hardness (Brinell)197
Hardness (Knoop)219
Hardness (Rockwell)92
Hardness (Vickers)207


With excellent toughness, high fatigue strength, and outstanding machinability, 41l42 steel has indeed become a staple for most industries in the Midwest. 41l40 alloy steel is a particular grade of steel with low carbon content. It has a higher yield and tensile strength, making it a popular choice for many applications. It is used in various applications, including the automotive industry, construction, and aerospace. Moreover, it’s also often used as an alternative to stainless steel in food processing equipment.

41l40 round bar is a type of alloy steel that has been cut into round bars to provide structural support. Plus, 41l42 steel is a type of steel that has been heat-treated to increase its hardness and tensile strength. It is often used in applications that need to withstand high amounts of stress or strain.

41l42 round bar provides the same benefits as standard 41l40 alloy steel but with increased hardness and strength. It is used to construct bridges, buildings, and other structures. 41l40 round bar is used as a structural material for various applications. Also,  this steel is used in the manufacturing of different parts of industrial machinery.

Moreover, 41l40 alloy steel has a high strength-to-weight ratio and can be readily welded. It also has excellent corrosion resistance in both wet and dry environments. 41l42 steel has superior tensile strength and good ductility to withstand repeated bending or twisting without fracturing or breaking apart. Not only that, 41l40 round bar is a type of steel used in the engineering and manufacturing industries. It is available in various shapes and sizes and can be used for multiple purposes.

Whatever industry you are from, rest assured that Advance Grinding Services can provide you with a 41l40 round bar for all your specific industry applications.

Give us a call or simply request a quote from our website and acquire a high-quality 41l40 alloy steel round bar stock today!