Hot rolled coil (HRC) is a type of steel product that is formed by rolling the steel slab at a high temperature, typically above 1700°F (926°C). This process produces a sheet of steel with a thickness ranging from a few millimeters to several centimeters. Hot rolled coils are widely used in various industries due to their excellent formability, weldability, and strength.
| Sizes | ||||||
|---|---|---|---|---|---|---|
| 19OD | Round | 19 | 2,2.5 | 3,4 | kg | |
| Square | 15x15 | 3,4 | kg | |||
| 25OD | Round | 25 | 4,5 | 6,7 | kg | |
| Square | 20x20 | 4,5 | 6,7 | kg | ||
| Rectangle | 25x12 | 4,5 | kg | |||
| 31OD | Round | 31 | 5,6 | 7,8 | 10 | kg |
| Square | 25x25 | 5,6 | 7,8 | 10 | kg | |
| 41OD | Round | 41 | 4,4.5 | 5,5.5 | 6,7,9 | kg |
| Square | 32x32 | 4,4.5 | 5,5.5 | 6,7,9 | kg | |
| Rectangle | 40x20 | 6,7 | 40x25 | 6,7 | kg | |
| 48OD | Round | 48 | 5,6,7 | 9,12 | kg | |
| Square | 38x38 | 5,6 | 7 | 12 | kg | |
| Rectangle | 50x25 | 50x15 | 5,6,7 | 9,12 | kg | |
HRC finds extensive applications in sectors such as automotive manufacturing, construction, pipe and tube production, and general engineering. Its versatility makes it suitable for a wide range of structural, fabrication, and manufacturing purposes.
The hot rolling process imparts unique properties to the steel, including a scaled surface finish and a characteristic blue-gray oxide layer known as mill scale. While these surface features may require further treatment for certain applications, they also provide some degree of corrosion resistance and aesthetic appeal.
Hot rolled coils can be further processed through techniques such as pickling, oiling, and cold rolling to achieve specific surface finishes, dimensional tolerances, and mechanical properties. This versatility allows manufacturers to tailor HRC to meet the exact requirements of their customers.
To sum up, hot rolled coils are a vital component in the steel industry, serving as the raw material for a wide range of downstream products. Their excellent formability, weld ability, and strength make them indispensable in countless applications, driving innovation and progress across various sectors.
