Cold-rolled carbon steel angle is produced by rolling steel at or near room temperature. This process results in more precise dimensions, better surface quality, and improved mechanical properties compared to hot-rolled steel, although it also makes the steel less malleable.
Description
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Metal In China® has a large inventory of steel angles that meet ASTM or AISI standards. The product series cover Equal Angle and Unequal Angle. According to the manufacturing process, it can be divided into hot-rolled steel angle and cold-rolled steel angle. We also provide galvanizing service, piercing service. Generally, we can support fast delivery within 3-5 days according to your requirements, and the delivery cycle of specially customized products is about 10 days. Contact us now to get a competitive price or a free sample.
Information
Features
Custom Cold Rolled Carbon Steel Angle
Here are the features and characteristics of cold-rolled carbon steel angles:
- Precise Dimensions: Cold-rolling carbon steel angles ensures more accurate and consistent dimensions compared to hot-rolled angles. The cold-rolling process allows for tighter tolerances, resulting in angles with precise and uniform measurements.
- Smooth Surface Finish: Cold-rolling produces a smoother surface finish on the steel angles compared to hot-rolling. The absence of scales and a smoother surface enhances the aesthetics of the angles and allows for easier painting or coating applications.
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- Improved Mechanical Properties: Cold-rolled carbon steel angles typically exhibit improved mechanical properties compared to hot-rolled angles. The cold-rolling process can increase the hardness, strength, and yield strength of the steel, providing enhanced structural integrity.
- Excellent Formability: Cold-rolled carbon steel angles have excellent formability due to the reduced brittleness associated with the cold-rolling process. They can be easily bent, shaped, and formed without cracking or fracturing.
Cold Rolled Carbon Steel Angle Factory in China
- Uniform Thickness: Cold-rolled carbon steel angles exhibit uniform thickness throughout their length, ensuring consistent load-bearing capabilities and structural stability.
- Close Grain Structure: Cold-rolling refines the grain structure of the steel, resulting in a denser and more uniform grain pattern. This contributes to improved mechanical properties, such as increased tensile strength and toughness.
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China Cold Rolled Carbon Steel Angle
- Versatility: Cold-rolled carbon steel angles can be used in a wide range of applications, including construction, manufacturing, machinery, and general structural purposes. They provide a strong and reliable structural element.
- Corrosion Resistance: While cold-rolled carbon steel angles do not possess inherent corrosion resistance, they can be further treated or coated to enhance their resistance to corrosion.
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Specification
Shape | Equal Angle |
Material | Carbon Steel |
Producttion Method | Hot Rolled/Cold Rolled |
Standard | A36,A53/A53B,A106,A178, A210, A252,A333,A500 etc. |
Tolerance | +/-1% |
Thickness | 0.125(or customized as required) |
Max Length | 240(or customized as required) |
Full Length | true |
Surface | 1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement |
Packing | Bundle, or with all kinds of colors PVC or as your requirements |
Technology
The manufacturing process for Cold Rolled Carbon Steel Angles largely follows the same steps as hot rolling. However, there is an additional step to refine the shape, smoothness, and tolerance of the steel, which is the cold rolling process. Here’s the general process:
- Iron Making: Iron ore, coke (a form of carbon), and limestone are heated in a blast furnace to produce molten iron.
- Steel Making: The molten iron is converted into steel in a basic oxygen furnace (BOF) or an electric arc furnace (EAF), where the iron is mixed with other elements, including a specific amount of carbon, to create the desired steel alloy.
- Primary Forming: The steel is cast into basic shapes, such as large rectangular slabs or blooms.
- Hot Rolling: This is similar to the process for hot rolled steel, where the cast steel is heated until malleable and passed through a series of rollers that shape it into the final product. For unequal angles, different pressure may be applied on either side of the rollers to achieve the unequal lengths of the angle.
- Cold Rolling: After the steel cools down, it’s passed through another set of rollers at room temperature. This process refines the dimensions of the steel to a higher degree of accuracy and improves the surface finish. The steel will also increase in strength due to the strain hardening that occurs during this process.
- Cutting and Finishing: The long lengths of cold rolled carbon steel angle are then cut into the desired lengths for sale. If needed, the angles can also be treated or coated for additional corrosion resistance.
- Inspection and Testing: The finished product undergoes rigorous testing and inspection to ensure it meets all necessary standards and specifications.
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Application
Cold Rolled Carbon Steel Angles, due to their improved surface finish, closer dimensional tolerances, and increased strength, are used in a variety of applications. Some of the common applications include:
- Construction: Cold rolled angles are used in construction where a smoother finish, more precise dimensions, or higher strength is required.
- Automotive Industry: These angles are often used in the automotive industry due to their high strength and precision. They can be found in components of vehicles.
- Machinery Manufacturing: Cold rolled steel angles are often used in the manufacture of parts for machines due to their strength and precision.
- Home Appliances: Cold rolled steel’s better surface finish and precise dimensions make it suitable for use in home appliances like refrigerators, washing machines, air conditioners, and more.
- Furniture: They can be used in the construction of furniture for both structural and aesthetic purposes.
- Structural Components: They can be used to create structural components in various industries, due to their good strength and high level of precision.
- General Fabrication: They are used in various fabrications where a high degree of precision or a good surface finish is needed.
Package
Carbon steel angles, due to their size and shape, require specific packaging methods to ensure they are properly protected during transportation and storage. Here’s a common method of packaging for carbon steel equal angle bars:
- Bundling: The angles are typically bundled together in groups, usually with metal straps. This keeps them secure and makes them easier to transport.
- Wrapping: The bundle might be wrapped in a protective material, such as plastic or waterproof paper. This helps protect the angles from moisture and other environmental conditions that might cause corrosion.
- Palletizing: In some cases, particularly for smaller sizes, the bundled angles might be placed on pallets for easy handling by forklifts.
- Identification: Each bundle will usually be labeled with details such as the size of the angles, the grade of the steel, the number of pieces in the bundle, and any relevant standards or certifications. This ensures that the correct materials are used for each project.
- Containerization: For long-distance or international shipping, the bundles may be loaded into shipping containers for protection.
Cold Rolled Carbon Steel Angle
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