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41L40 Alloy Round Bar Stock

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

HighlY Machinable 41L40 AlloY Round Bar Stock That’s Fit for Various Industries

Alloy steels such as 41L40 alloy round bar stock comprise different kinds of steels that each have a composition that far exceeds the limitations of B, C, Mo, Si, Ni, Cr, and Va set for carbon steels. 41L40 Alloy bar stock is a direct hardening alloy that can be both quenched and tempered to obtain a wide range of hardness, strength, and ductility levels. This alloy is considerably strong and is used for its good hardness penetration and uniformity. 41L40 alloy bar stock is highly machinable and has the ability to maintain its properties even at high temperatures making this alloy extremely useful in a variety of industries.

Steel Purchaser

41L40 Alloy Round Bar Stock providers that you can rely on

Advance Grinding has the right kind of steel that you need to help you keep up with your business or latest venture. Our 41L40 alloy round bar stock is the perfect chromium-molybdenum alloy steel metal that’s best 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. Our Alloys are influenced by both the thermal treatment and the alloying elements that are present during its production. We understand the value of supplying our clients with quality metal, which is precisely why you should trust us, to supply you with top-tier, high-quality metals. Contact us today so that you can get a quote on the alloy that you need. We’ll make sure that you’re equipped to take on any project you have to face by providing you with hard material that you can rely on.


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, 4140 Alloy Steel has indeed become a staple for most industries in the Midwest.

For the automotive industry, 4140 alloy steel is used in the creation of engine gears, bolts and nuts, and crankshafts while for the oil and gas industry, 4140 alloy steel is utilized in the creation of spindles, couplings, and other mechanical parts.

Whatever industry you are from, rest assured that Advance Grinding Services can provide you with a 4140 alloy steel round bar stock for all your specific industry applications.

Give us a call or simply request a quote from our website and acquire a high-quality 4140 alloy steel round bar stock today!