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1141 Steel Round Bar

Learn all about the 1141 steel round bar and its unique properties that make it popular for automotive and aerospace manufacturing and construction applications.

Machining 1141 steel ROUND BAR: Tips and Best Practices

Machining 1141 steel round bar can be challenging, but it can be done efficiently and effectively with the right tools and techniques. One important tip is to use high-speed steel or carbide cutting tools, as these materials are better suited for cutting through tough steel. 

It’s also essential to keep the cutting tools sharp, as dull tools can cause the material to deform or chip. When machining it, it’s also crucial to use proper lubrication to reduce friction and heat, which can cause damage to the material or tools. 

Finally, it’s recommended to use slower speeds and feeds when machining grade 1141, as this will help prevent overheating and improve the overall finish of the machined part.

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1141 Steel Round Bar Impressive Specifications  

1141 steel round bar is a highly versatile material that offers impressive mechanical properties, making it an ideal choice for a wide range of applications. One of the key specifications is its high tensile strength, which ranges from 91 ksi to 100 ksi, depending on the diameter of the bar.

Additionally, it has excellent machinability, making it easy to work with and a popular choice for parts that require precision cutting and shaping. 1141 steel round bar also has good weldability, making it suitable for welding applications. 

4130 steel round bar is a versatile and widely used material in the construction, industry, and transportation sectors. It boasts high tensile strength, corrosion resistance, and excellent machinability, making it a popular choice for structural applications, engine components, and rails. 4130 alloy steel, which contains chromium and molybdenum, also has a low carbon concentration, making it easy to weld.

The 1141 Steel Round Bar Benefits

With a yield strength of approximately 81,200 psi and ultimate tensile strength of about 66,700 psi, the 4130 steel round bar is suitable for many applications It is available in different levels of tempering, from plain to case-hardened, to meet varying hardness requirements.

One of the main benefits of the 4130 steel round bar is its excellent impact resistance properties. It also has high tensile strength and a low elongation rate. This makes it resistant to deformation under stress. The 4130 steel round bar is also resistant to corrosion and heat treatment.

The 4130 steel round bar is commonly used in the automotive industry. It can be helpful to make for engine components such as cylinder heads, liners, blocks, pistons, and crankshafts. However, it can also be used to build frames, reinforce concrete, and make bars for various other applications. Overall, the 4130 steel round bar is a reliable and versatile material well-suited for various industrial uses.


Reliable Round Bar Suppliers

Advance Grinding has the right kind of steel that you need to help you keep up with your business or latest venture. If you want to acquire the best 1141 Steel round bar stock forged in the industry, then you’ll be happy to know that Advance Grinding can provide you with just that. Our Carbon steel is lightweight, hard-wearing, and heats up fast in an even spread. We understand the value of supplying our clients with quality metals, which is precisely why you should trust us to provide you with top-tier, high-quality metals. 

Are you in construction, transportation, or any other industry? Advance Grinding Services can supply 4130 bar stock that meets your specific application requirements. Contact us today to request a quote, or give us a call to acquire high-quality 4130 steel bar for your project needs.


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!


Density 7.7-8.0
Tensile Strength 95000 psi
Yield Strength 60200 psi
Hardness (Brinell) 197
Hardness (Knoop) 219
Hardness (Rockwell) 92
Hardness (Vickers) 207
Machinability 65