Plate Products : Hot-rolled steel plates are a type of steel product that is formed by rolling the steel at high temperatures. The process involves heating the steel slab or billet to red-hot temperatures and then passing it through a series of rollers to achieve the desired thickness and shape. This method is known as hot rolling and is typically performed above the recrystallization temperature of the steel, which makes it easier to deform and shape.
Here are some key characteristics and features of hot-rolled steel plates:
Formation Process: The production begins with a steel slab or billet that is heated to high temperatures, typically around 1700 degrees Fahrenheit (926 degrees Celsius) or above.
Deformation: The hot steel is then passed through a series of rollers to reduce its thickness and shape it into the desired form. This process is effective in producing large quantities of steel with consistent dimensions.
Surface Finish: Hot-rolled steel plates have a characteristic scale on their surface, known as mill scale, which forms during the hot rolling process. Mill scale is a layer of iron oxide that protects the steel from corrosion but is usually removed through further processing.
Grain Structure: The hot rolling process affects the grain structure of the steel, resulting in a coarse-grained microstructure. This can influence the mechanical properties of the steel.
Applications: Hot-rolled steel plates find applications in various industries, including construction, shipbuilding, automotive manufacturing, and general fabrication. They are commonly used to make structural components, pipes, and other industrial products.
Strength and Durability: Hot-rolled steel plates generally exhibit good strength and durability, making them suitable for applications where robustness and load-bearing capacity are important.
Cost-Effective Production: Hot rolling is a cost-effective method for mass production of steel plates. It is efficient and allows for the creation of large quantities of steel with relatively lower production costs compared to cold-rolled steel.
It's worth noting that the term "hot-rolled steel plates" is broad, and the specific properties of a particular type of hot-rolled steel can vary depending on factors such as the composition of the steel alloy and the precise rolling process used. Additionally, after hot rolling, further processes like pickling, oiling, or additional heat treatments may be applied to achieve specific characteristics or improve surface finish.
Hot rolled steel plates available in grades : IS 2062, IS 2041, IS 2002, EN10025-2, EN10025-3, EN10025-4, EN10025-5, EN10025-6,
EN 10207, EN 10207, EN 10028 -2, EN 10028 -3, EN 10207, EN 10028 -2, EN 10028
-3, ASTM/ASME A 387, ASTM/ASME A 515, ASTM/ASME A 516, ASTM/ASME A 517, ASTM/ASME
A 517, ASTM/ASME A 517, ASTM/ASME A 517, ASTM/ASME A 517, ASTM/ASME A 537, ASTM
A871, ASTM A588, ASTM A510M
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