Flat Steel Products are categorised in various types like Hot Rolled Coil (HRC), Cold Rolled Coil (CRC), Hot & Cold Rolled Sheets, Plates and different kinds of Coated Steel.
Steel Hot Rolled Coils / Sheets (HRC / HRS)
Hot-rolled coils (HRC) are a form of sheet product manufactured in hot-rolling mills that resemble a wrapped steel strip. These goods are used extensively in building, the machine industry, automobile manufacture, the fabrication of general-purpose, construction, oil and gas, and special-purpose pipes, and as a work-piece in the production of cold-rolled items.
Steel Hot Rolled Plates (HRP)
Construction, bridge construction, and the fabrication of steel structures for general applications are the primary applications for plates. In this market sector, carbon and low-alloy rolled steel with excellent weldability, high strength, ductility, and crack resistance is in great demand. For certain applications, rolled structural steel must have enhanced atmospheric corrosion resistance.
Normal and high-strength rolled steel plate is one of the primary structural elements used in the fabrication of boilers, vessels, and tanks for the transportation and storage of liquid and gaseous substances, as well as for a variety of technological processes performed under pressure.
Shipbuilding steel is a type of steel plate utilized by shipyards, shipbuilding businesses, and dockyards in the construction of the hulls of cargo and passenger ships, boats, offshore drilling platforms, and other structures and vessels. In addition to steel plates, the industry employs steel sheets in coils or cut to length, steel profiles (steel bulb flats, rounds, and squares), and round and profiled tubes manufactured from shipbuilding steel grades. Steel for shipbuilding is produced under the supervision of certifying bodies, maritime and river registers (Det Norske Veritas Germanischer Lloyd, Registro Italiano Navale, Bureau Veritas, Lloyds Register, Nippon Kaiji Kyokai, American Bureau of Shipping and others).
Cold Rolled Coils (CRC)
Cold-rolled coils are a type of steel manufactured at cold-rolling mills by plastically deforming hot-rolled steel. In comparison to hot-rolled coils, the product can have more precise dimensional tolerances, superior surface quality, and enhanced mechanical qualities with this technique. Cold rolling is also utilized to manufacture coils that are thinner than what hot-rolling machines can produce at present (less than 0.8-1.0 mm).
Full Hard
The yield strength and tensile strength of cold-reduced full-hard steel are approximately comparable. This indicates that the steel is hard, strong, and non-deformable.
Typically, elongation is 2%; the final operation is a tandem cold reduction mill or a cold reversing mill. Typically, the hardness is at least RB85.
In the condition of full hard, steel can be roll-formed, galvanized, or both.
Galvanized Steel Coils (GI)
Galvanized steel consists of cold- and hot-rolled coils with a zinc coating that protects the steel against air corrosion. Galvanized steel coils are effectively utilized in industries with stringent corrosion resistance, durability, strength, and appearance requirements, and they can be shaped or coated with a variety of materials.
Prepainted Coils (PPGI)
Colour-coated rolled steel is a flat steel product that has been painted with a protective, decorative coating. A polymer coating is available in a variety of hues as well as a matte, lustrous, or natural decorative finish (granite, wood, etc). Organically coated galvanized steel is resistant to corrosion, possesses high mechanical qualities, and can be shaped, profiled, or stamped.
