1. Introduction to P275NH steel plate:
P275NH belongs to the European standard boiler and pressure vessel special steel plate, P275NH steel plate implementation standard is EN10028 special technical conditions. The steel grades included in the European standard are divided into 4 quality classes: room temperature quality class (P......n), high temperature quality grade (P......NH), low temperature quality grade (P......NL1), special low-temperature quality grade (P......nl2）
2. Chemical composition of P275NH steel plate:
3. P275NH steel plate delivery status:
P275NH steel plate is delivered in normalized state by default, and can be delivered by normalizing, tempering, modulation and other technical processes according to different needs.
4. Mechanical properties of P275NH steel plate:
5. Performance characteristics of P275NH steel plate.
The chemical composition of P275NH steel plate contains a higher carbon element, which gives it high strength and hardness. At the same time, its alloying elements are also rich, such as manganese, silicon, phosphorus, etc., these elements can refine the grain and improve the strength and toughness of the steel during the solidification process. In addition, an appropriate amount of nitrogen is added to the P275NH steel plate to enhance its hardness and corrosion resistance.
During the manufacturing process, advanced smelting and rolling technology is used to ensure that P275NH steel plate has excellent mechanical properties and surface quality. Its tensile strength can reach more than 500MPa, the yield point is about 355MPa, and it has good impact toughness. In addition, P275NH steel plate also has good corrosion resistance and can be used in harsh conditions such as marine environments.
P275NH steel plate has a very wide range of applications, especially in bridge engineering. Due to its excellent strength and corrosion resistance, it can effectively improve the bearing capacity and service life of the bridge. In addition, in the fields of construction, ships, automobiles, etc., P275NH steel plate has also been widely used, such as the structural frame of high-rise buildings, the hull structure of ships, the body and chassis of automobiles, etc.
6. P275NH steel plate use:
P275NH steel plate itself not only has high strength, but also carries certain toughness, fatigue resistance, impact resistance, corrosion resistance, welding and easy processing and other comprehensive high-quality properties of steel plates. It is often used in pots and pressure vessel manufacturing industries, such as;Boiler equipment, pressure vessels, reactors, reactors, spherical tanks, pressure pipelines, petrochemical equipment, chemical equipment, petroleum equipment, etc.