COLD ROLLED STEEL BAR

We aim to deliver high-quality cold rolled steel bars through advanced manufacturing processes. Our bars, produced at room temperature, boast superior strength, surface finish, and accuracy.

These steel bars are perfect for automotive, construction, machinery, and industrial tools, offering unmatched performance and reliability. Compared to hot rolled bars, our cold rolled steel bars provide higher tensile and yield strength. We understand the importance of cost-effectiveness and are committed to providing competitive pricing without compromising on quality.

For more information, please visit Xingtai Steel.

Choose us as your go-to supplier for cold rolled steel bars, and experience the benefits of superior quality, attractive pricing, and rapid delivery.

Cold Rolled Steel Bar Type

Discover the Varieties of Cold Rolled Steel Bar

Cold Rolled Steel Bar Grade

Explore the Different Grades of Cold Rolled Steel Bar

Quality Assurance 

Learn About Quality Assurance for Cold Rolled Steel Bar

Usage & Application

Understand the Applications of Cold Rolled Steel Bar

What are Cold Rolled Steel Bar

Cold rolled steel bars are meticulously crafted by rolling steel at room temperature, resulting in enhanced mechanical properties and a smooth, uniform surface. Unlike Hot Rolled Steel Bars, which are processed at high temperatures and have rougher surfaces and looser tolerances, cold rolled steel bars offer improved strength and hardness. This process not only improves the strength and hardness of the steel but also ensures precise dimensions and tighter tolerances, making these bars ideal for applications requiring high precision and durability. These bars are a type of low carbon steel with good case hardening qualities, making them versatile for various uses.

Cold Rolled Steel Bar Type

Cold rolled steel bars come in round, flat, hexagon, and square shapes, designed for specific industry needs. Whether you need a round bar, flat bar, or another shape, we have it covered.

TypeSize RangesApplications Diameter from 0.2 inches to 4 inchesShafts, Axles, Boltsget a quote Across flats from 0.24 inches to 3 inchesFasteners, Nuts, Boltsget a quote Side length from 0.2 inches to 4 inchesTool handles, Ornamental ironworkget a quote Thickness 0.08 inches to 2 inchesBrackets, Base plates, Bracesget a quote

Cold Rolled Steel Bar Grades

We offer custom steel sizes tailored to your specific requirements! StandardUSASIZE ASTM A29AISI /4'' - 2''get a quote ASTM A108AISI /4'' - 4''get a quote ASTM A108AISI /4'' - 4''get a quote ASTM A108AISI /4'' - 4''get a quote ASTM A108AISI 12L141/8'' - 3''get a quote ASTM A108AISI /4'' - 2''get a quote

Quality Assurance for Cold Rolled Steel Bars

Regular Quality Inspections

• Mechanical Properties: Testing tensile and yield strength, hardness.
• Dimensional Accuracy: Measuring diameter, thickness, and length.
• Surface Finish: Checking for smoothness and defects.
• Chemical Composition: Verifying alloy mix.

Extreme Testing

• Corrosion Resistance: Testing in corrosive environments.
• Impact Testing: Assessing toughness under sudden impacts.
• Fatigue Testing: Evaluating endurance under repeated stress.
• Temperature Resistance: Assessing performance at extreme temperatures.

If you have specific requirements, we can customize additional tests to meet your needs.

To ensure the safe and secure transportation of our steel bars, we use robust packaging methods:

• Secured Bundling: Bars are securely bundled with steel straps and wooden supports. Finished products are shipped in wooden crates.
• Protective Coatings: Our steel bars are coated to prevent corrosion and damage during transit. Additional coating options are available upon request.
• Labeling and Documentation: Each shipment is clearly labeled and comes with detailed documentation for easy tracking.

Several factors impact the performance of cold rolled steel bars, essential for selecting the right type for specific applications.

• Material Quality: Purity and alloy composition.
• Manufacturing Process: Precision in rolling and cooling techniques.
• Heat Treatment: Proper annealing and tempering.
• Surface Finish: Smoothness and absence of defects.
• Dimensional Accuracy: Consistency in size and shape.
• Environmental Exposure: Resistance to corrosion and extreme temperatures.

Because cold rolling is limited for large sizes, cold rolled bars are usually smaller than hot rolled bars. For large applications, consider hot rolled steel bars.

Proper storage of cold rolled steel bars is crucial for maintaining their quality. Environmental factors and transportation significantly impact their performance.

• Environment: Store in a dry, ventilated area to prevent rust.
• Temperature: Maintain stable temperatures to avoid stress and deformation.
• Humidity Control: Use dehumidifiers or desiccants.
• Transportation: Use protective packaging to prevent damage.
• Handling: Use proper lifting equipment to avoid bending.
• Storage Method: Store bars horizontally to prevent bending and separately to avoid contamination.

Usage & Application of Cold Rolled Steel Bar

Discover the diverse applications of cold rolled steel bars across various industries, highlighting their versatility and reliability.

• Automotive Manufacturers: Drive shafts, axles, gear systems
• Construction Companies: Structural frameworks, reinforcement bars, support beams
• Machinery Manufacturers: Gears, bearings, shafts
• Tool Manufacturers: Drill bits, cutting tools, machine parts
• Aerospace Companies: Landing gear, engine parts, structural elements
• Furniture Makers: Table legs, chair frames, decorative elements

Why Choose Our Cold Rolled Steel Bars

Choose our high strength steel bars for their exceptional quality and strength, backed by comprehensive documentation to ensure reliability and performance. We offer a wide selection and customization options to meet your specific needs, all at competitive pricing.

Additionally, our commitment to timely delivery and responsive service ensures you receive your order promptly and with the support you need.

Trust us for high strength steel bars that combine quality, customization, and excellent customer service.

Contact us here with questions or use the button below to request a quote.

The term “rolling” means the process by which steel is manufactured. Steel subjected to a high level of heat treatment is referred to as hot rolled steel, as the manufacturing occurs at extremely high temperatures. Manufacturers start with giant, rectangular metals, also called billets. Manufacturers heat the rectangular metals before transferring them to further processing, which involves flattening them into big rolls.

During the hot-rolling procedure, the molten steel is pressed at temperatures around 926℃ ( °F). Steel optimally recrystallizes from 750 to 1,300 °F, allowing for better reshaping and forming. The steel is left to cool once rolled in the mill in the required shape.

Characteristics of Hot Rolled Steel

The characteristics listed below can assist you in identifying hot-rolled steel:

● Cooling from extreme temperatures leaves residues on the surface of the stainless steel bar stock, giving it a scaly appearance.

● Cooling causes slight distortions, such as slightly trapezoidal geometries with imperfect angles.

● Shrinkages and a lack of precision while finishing round-ground metals give slightly rounded edges and corners.

Advantages of Hot Rolled Steel

Hot-rolled steel has the following benefits:

● Hot-rolled steel is less expensive to process than cold-rolled steel since the processing time is shorter.

● It cools at ambient temperature. It implies it has no or minor internal stresses due to quenching or work-hardening.

● The hot rolling process is carried out at higher temperatures, so the steel round rods can be easily shaped and formed. Hot-rolled steel makes the most basic shapes, such as UC, UB, SHS, RHS, flats, etc.

● It’s perfect for applications in which tolerance isn’t a big problem.

Disadvantages of Hot Rolled Steel

Hot-rolled steel has the following disadvantages:

● Dimensional flaws caused by heating-induced expansion and cooling-induced warpage/shrinkage.

● It has a rough surface that must be bugged or removed before the finishing procedure begins.

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● There are some minor distortions.

Applications of Hot Rolled Steel

As hot rolled steel cools, it shrinks slightly. Due to it, manufacturers can’t control the final form or shape. As a result, hot-rolled steel is typically used in applications that do not demand strict tolerances, such as the following:

● Automobile parts – for example, frames and wheel rims.

● Truck frames

● Railroad tracks

● Agricultural equipment.

● Construction

Cold Rolled Steel

Cold-rolled steel is hot-rolled steel, which has been processed further. Rolling encompasses many steel-forming processes, including polishing, grinding, and turning. The phrase “cold rolled” describes stainless steel bar stock that has been compressed.

While hot-rolled steel is made by heating it to an extreme temperature and cooling it, cold-rolled steel requires an additional step. The steel is cooled and re-rolled at ambient temperature in cold reduction mills by press braking or complex roll forming. This procedure helps form the required shape and size of steel round rods, stainless steel bar stock, or brass round stock.

Characteristics of Cold Rolled Steel

The following characteristics can differentiate cold rolled steel:

● Smooth surfaces give an oily touch to them.

● The surface possesses a greater level of finish and better tolerances.

● The corners of cold-rolled stainless steel bar stock are well-defined.

● Concentric uniformity and straightness are typically better in tubes.

Advantages of Cold Rolled Steel

The following are a few of the advantages of employing cold-rolled steel:

● Cold-rolled steel round rods and brass round stock frequently have smooth, glossy surfaces free of corrosion and rust. As a result, they’re helpful when appearances are essential.

● They are often more rigid and more robust than hot-rolled steel. This property enables cold-rolled steel to be suitable for usage in high-stress applications.

● Cold rolled steel will not shrink during the forming process, so it can be used to make more precise components with regular and perfect shapes.

Disadvantages of Cold Rolled Steel

Cold-rolled steel has the following disadvantages:

● It is expensive as it requires additional processing.

● Internal stresses in the round ground metals may occur due to further treatments, resulting in unpredictably warping in certain situations.

● There are fewer shapes available, such as sheets and hollow section shapes.

Applications of Cold Rolled Steel

Cold rolled steel is best used in applications that require a superior round ground metals surface finish and higher tolerances. The following are a few applications of cold-rolled steels:

● Mechanical components

● Aerospace parts

● Home appliances

● Metal furniture structures

● Water heaters

● Fan blades

● Rods, strips, sheets, and bars

Hot rolled steel is also flat as cold-rolled steel. It would change size and shape throughout the cooling procedure since it passes through manufacturing rollers at an extreme temperature, leaving it less suitable for applications demanding uniform thickness. The hot-rolled steel round rods and brass round stock are less robust than cold-rolled steels and have a coarser finish.

There are certain advantages of employing hot-rolled steel rather than cold-rolled steel. The hot rolled steel is much more pliable than cold rolled steel, making it simpler to work on. it is less expensive since the rolling process involves fewer steps. For example, round ground metals do not have to get cooled before processing into the rollers, plus the thickness can also be reduced by just one pass, while cold rolling needs multiple passes.

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