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Hot Rolled Steel
Hot rolled Steel is derived when steel is roll-pressed at very high temperatures - over 1,700°F - which is above the re-crystallization temperature for most steels.
This process makes the steel easier to form, resulting in products that are easier to work with.
The Hot Rolled Coils have scales on its surface which are the remnants of cooling from extreme temperatures.
Country Of Origin : India
Advantages
Some of the advantages of Hot Rolled Coils & Sheets include -
Availability in wide range of grades for a host of applications
Steady availability in various thickness & width combinations
Free from internal stresses
High strength enables it to be used in different applications
Applications
Some of the common applications of Hot Rolled Coils & Sheets include -
Sheet Metal Components in Automobile segment
Structural Components in Lifting & Excavation segment
Railway Coaches and Engineering Equipment
Construction Projects and Ships
Bicycle Frames
Agricultural Components
Tube Making etc.
Hot Rolled Coil (HRC) is an essential material used in a variety of industries and applications, thanks to its versatile properties and relatively simple manufacturing process. Produced by roll-pressing steel at extremely high temperatures—over 1,700°F (927°C)—hot rolled steel is subjected to temperatures above the re-crystallization threshold for most steel alloys. This high-temperature process makes the steel easier to manipulate and form into various shapes and sizes, resulting in products that can be customized for a host of applications across numerous sectors.
The manufacturing process for Hot Rolled Coil begins with the heating of large steel slabs in a reheating furnace until they reach temperatures above 1,700°F. Once the steel slabs are adequately heated, they are passed through a series of rolling mills where they are flattened and elongated into large, thin sheets. These sheets, still extremely hot, are then wound into coils. Cooling naturally occurs after the steel has been formed, leading to the formation of a characteristic flaky surface known as scale.
Key Features: - High-Temperature Production: The processing temperature exceeds 1,700°F, allowing the steel to be easily shaped. - Surface Scale: A distinctive layer of scale forms on the surface, a byproduct of the rapid cooling process. - Varied Dimensions: Available in a broad range of thicknesses and widths to meet different industrial needs. - Free from Internal Stresses: The high-temperature process ensures minimal internal stresses, which adds to the material’s workability.
Wide Range of Grades and Applications: One of the standout features of Hot Rolled Coils is the wide array of steel grades available, each tailored to specific applications. Whether it's for simple structural components or advanced engineering requirements, there's a grade that fits.
Extensive Thickness and Width Options: Steady availability in various thickness and width combinations ensures that manufacturers can find the exact dimensions needed for their specific applications.
Enhanced Workability: Due to the high-temperature processing, the steel is free from internal stresses, making it easier to work with during secondary processes like cutting, welding, and forming.
High Strength: The inherent strength of hot rolled steel makes it suitable for heavy-duty applications. Its robust nature makes it an excellent choice for industries that demand high performance and durability.
The versatility of Hot Rolled Coils makes them ideal for a wide range of applications across multiple industries:
Sheet Metal Components: Hot Rolled Coils are used to manufacture various sheet metal components in the automotive sector, providing the structural integrity and flexibility required for vehicle construction.
Construction Projects:
Structural Components: The high strength and reliability of Hot Rolled Coils make them a staple in the construction industry. They are used to create structural components for buildings, bridges, and other infrastructure projects.
Railway and Transportation:
Railway Coaches and Engineering Equipment: Hot Rolled Coils are utilized in the production of railway coaches and various engineering equipment, providing the necessary strength and durability for these heavy-duty applications.
Lifting and Excavation:
Heavy Machinery Components: In the lifting and excavation segment, Hot Rolled Coils are used to manufacture structural components of heavy machinery, ensuring operational efficiency and safety.
Shipping Industry:
Ship Construction: The coils are crucial in building ships, thanks to their robustness and ability to withstand extreme conditions.
Agriculture:
Agricultural Machinery and Equipment: Used to produce agricultural machinery components, these coils contribute to the durability and effectiveness of farming equipment.
Bicycle Manufacturing:
Bicycle Frames: The strength and malleability of Hot Rolled Coils make them suitable for manufacturing sturdy and lightweight bicycle frames.
Tube Making:
When selecting Hot Rolled Coils for specific applications, various technical specifications need to be considered to ensure that the chosen material meets the necessary requirements.
Hot Rolled Coils come in various steel grades, each with a unique chemical composition tailored to different industrial needs. Common grades include:
