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Choosing the Right Material For Your Project

round ground metals

ID and OD grinding are frequently discussed as though they were two different types of grinding services. However, both have different concepts and applications. You will learn everything you need to know about the ID and OD grinding services in this article.

Key Considerations When Choosing a Ground Metal

Tensile strength, weldability, machinability, and ductility/formability are the four attributes that will assist you in identifying which type of round ground metals will be the best fit for your Project.

Tensile Strength

The tensile strength refers to how much force it can endure without breaking. It is a critical consideration, particularly for projects subjected to substantial forces.


Some round ground metals weld more quickly than others. Welding materials that are easier to use require less preparation and welding expertise. Hard-to-weld materials need expertise, more advanced and complicated welding procedures, and possibly additional gas preheating, purging, or unusual weld gases. When you select a material that is difficult to weld, the fabrication process may take longer and demand more skill, potentially affecting your schedule and budget.


Machinability refers to how easily a ground metal can be cut using a blade. Round-ground metals with less machinability may necessitate highly specialized tools, increasing your cost and prolonging your project duration. Highly machinable metals could be machined at incredible speeds using low-cost band sawing blades, milling equipment, and drill bits. Friction-based cutting tools (angle grinders, cutting wheels) don’t exploit machinability; therefore, they can cut less machinable metals.

Ductility & Formability

Ductility and formability are two critical factors that also affect the metalworking process. These characteristics govern the shapes that metal can take. A ground metal with poor ductility is brutal to mold into any wire, so round-ground metals with low ductility can’t be shaped without cracking.

Ground Metal Considerations

round ground metals

Here are a few metals that could best fit your Project.


Steel is a mixture of iron, carbon, and other materials produced by reducing the carbon from iron ore and replacing it with other materials to improve properties such as conductivity, durability, and consumption barrier. Heat-treating methods such as extinguishing, toughening, and hardening might transform the metal and its final performance. Steel round rod has an extensive conductivity range (approximately 15%) and excellent formability and hardness, making it generally corrosion-resistant. It is a simple option that provides excellent yield quality and standard pliability. However, these qualities can fluctuate dramatically, providing a wide range of options for finding the best fit for a particular application.

Stainless Steel

Stainless steel bar stock is famous for its durability and strength. Stainless steel bar stock is not only resistant to rust but also to caustic. It heats substances, making it an excellent option for many applications subjected to the outdoors. Stainless steel bar stock is mainly used for kitchen utensils because of its ability to preserve its shape at high temperatures up to 752° F. This thermal resistance makes stainless steel bar stock a preferred option for surgical tools that must be autoclaved at high temperatures to ensure sterility. Stainless steel remains inert in living organisms and doesn’t produce allergic or harmful reactions. As a result, it’s a feasible alternative to certain other metals used in dental implants, medical

implants, and jewelry. This metal’s smooth finish makes cleaning as well as disinfecting easy.


Aluminium is the lightest metal used for welding in the manufacturing process and a valuable ground metal for things that’ll be exposed to the cold frequently. In this example, aluminum round bar stock is the complete reverse of steel round rods since it becomes more complicated than more brittle as the temperature decreases. As a result, aluminum round bar stock is employed in a wide range of applications where extremely low temperatures have been expected. Aluminum round bar stock has a low melting point compared to steel round rods; therefore, a skilled welder must cut and mold it properly. It may bubble up when the metal is cooled or when pollutants are accidentally mixed in. As a result, welding aluminum needs a spotless work environment. Although it has a low melting point, it must be welded over a significantly greater temperature. Aluminum round bar stock can conduct heat five times better than steel round rods. The more excellent aluminum parts draw heat out from welding equipment; thus, greater caution is required.


Copper has the highest accessible conductivity, 100%, following only gold or silver in appearance. Copper is also recognized for its resistance to mechanical conditions, non-oxidizing acids, water, salts, and neutral saline arrangements. Copper forms a dark oxide when exposed to atmospheric oxygen, even though it does not react with water. Unlike rust, the oxide would protect the copper beneath it from further oxidation. Copper is pliable, malleable, and highly receptive to precision tooling. It’s most commonly used in automotive and electrical applications.


Brass is noted for its toughness, flexibility, and its attractive appearance. It has a low-value point compared to copper and is often the wisest choice for electronic applications. It has more flexibility than zinc or bronze alone since it is made of zinc and copper. Approximately 90% of the alloys are a byproduct of these metals being reused!

Choosing the Best Ground Metal and Service Provider

If you are unsure which material is best for your Project, stop spending hours scouring the internet for information. Instead, contact our staff immediately so we can talk about your requirements and guide you in the correct direction. You can also request a quote at any time. 

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Contact Info

O’hare Precision Metals specializes in centerless grinding services and provide precision ground bar materials, focusing high tolerance and offering essential machining services.
O’hare Precision Metals, LLC
2404 W. Hamilton Rd. Arlington Heights, IL 60005
Tel.No. (847) 640-6050
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