1. P265GH steel plate is widely used in various engineering fields because of its excellent performance. Its high strength, good weldability, and corrosion resistance make it an indispensable material in the manufacture of structures such as bridges, highways, high-rise buildings, and pressure vessels.
2. In the process of manufacturing P265GH steel plate, each step plays a vital role in the final performance of the steel plate. First of all, refining is a crucial step. By controlling parameters such as temperature, composition, and melting time, the purity of the molten steel and the accuracy of the chemical composition are ensured. In this step, the removal of impurities and harmful elements as well as the precise addition of alloying elements have a decisive influence on the mechanical properties and corrosion resistance of the final product.
The next step is the continuous casting process, that is, the refined molten steel is injected into the continuous casting crystallizer, and a certain specification of billet is obtained through continuous casting. The key to this step is to control the cooling rate and crystallization structure of the billet to obtain good mechanical and processing properties.
3. Rolling is the process of further processing billets. Through repeated rolling and plastic deformation in the rolling mill, the billet is gradually processed into steel plates with specific thickness, width and length. During the rolling process, the control of process parameters is very important, which determines the grain size and distribution inside the steel plate, which in turn affects its mechanical properties.
Heat treatment is a crucial part of the manufacturing process of P265GH steel plates. This step allows for further adjustment of the metallographic structure inside the steel plate to meet different mechanical property requirements. By controlling the heating, heat preservation and cooling, the fine control of the internal structure of the steel plate is realized. For example, high-temperature tempering and quenching treatments can significantly improve the strength and hardness of steel plates; Low-temperature tempering and annealing treatments help to improve toughness and plasticity.
Finally, surface treatment is also an indispensable step in the manufacturing process of P265GH steel plates. After pretreatment such as degreasing and pickling, the surface of the steel plate is coated with an anti-corrosion coating or anti-rust film. This protective film can enhance the resistance of the steel plate to corrosion and increase its service life. Especially in places with strong corrosiveness, such as marine environments or chemical equipment, the corrosion resistance of P265GH steel plate is particularly important.
4. The manufacturing process of P265GH steel plate involves multiple complex steps, each of which has an important impact on the performance of the final product. By strictly controlling the process parameters of each process, it can ensure that P265GH steel plate has excellent mechanical properties and stable corrosion resistance, so as to meet the stringent requirements of various engineering fields. In the manufacture of critical structures such as bridges, highways, high-rise buildings, and pressure vessels, P265GH steel plate is an ideal choice due to its superior properties.
5. Analysis of the chemical composition of P265GH steel plate:
Carbon C: 020；
Silicon si: 040；
Manganese mn: 080-1.40；
Chromium cr:: 030；
Nickel ni:: 030；
Molybdenum mo:: 008；
Niobium nb:: 002；
Vanadium v: 0010；
Phosphorus p: 0025；
Sulfur s: 0010；
P265GH Steel Plate Al: 0020；
P265GH Steel Plate N: 0012；
P265GH Steel Plate CU: 030；
6. P265GH steel plate ordering and cutting size description: