The difference between cold rolling and hot rolling of hexagonal steel
2024-06-03 16:171、 What is hexagonal steel?
Hexagonal steel refers to steel with a hexagonal cross-section, also known as hexagonal steel or hexagonal bars. It has the characteristics of strong load-bearing capacity, good compression resistance, and high rigidity, and is widely used in fields such as building structures, shipbuilding, and mechanical manufacturing.
2、 The difference between cold rolling and hot rolling
Cold rolling and hot rolling are two common methods in steel processing, and their main differences lie in processing temperature and finished product performance.
Cold rolling refers to the process of forming metal materials at room temperature, which has the characteristics of high dimensional accuracy, good surface quality, and high hardness of the workpiece. Hot rolling, on the other hand, is carried out at high temperatures, which can process larger materials at lower costs, but the surface quality and hardness are relatively poor.
3、 Applicable scenarios for cold rolling and hot rolling of hexagonal steel
The processing methods available for cold rolling and hot rolling of hexagonal steel in different application fields may also vary.
1. In the field of building structures
Hexagonal steel used in construction usually requires the characteristics of stable size, smooth surface, and high hardness of the finished product. Therefore, cold rolling process is generally used for production to meet the high-precision and high-quality requirements of steel used in construction.
2. Mechanical manufacturing field
The hexagonal steel used in mechanical manufacturing is mostly used to manufacture components such as bearings, connectors, and bolts. Cold rolled hexagonal steel sheets can meet the precision requirements of these components.
3. In the field of shipbuilding
In the field of shipbuilding, it is necessary to choose high-strength and low-temperature toughness hexagonal steel, in which case hot rolling processing technology is usually used. This can improve the strength and toughness of hexagonal steel while ensuring the size and surface quality of the finished product.
4、 Conclusion
Both cold rolling and hot rolling can be used for the manufacturing of hexagonal steel, but when selecting the processing method, it is necessary to comprehensively consider the needs of different materials and applications, and choose the appropriate processing method. This article aims to help readers better understand the differences and applicable scenarios between cold rolling and hot rolling of hexagonal steel.