The hot rolling technolodge of EN steel grade S355J2 material

The purpose of EN steel grade S355J2 material quenching is to transform the supercooled austenite into martensite or bainite to obtain a martensite or bainite structure, and then cooperate with tempering at different temperatures to greatly improve the strength, hardness, performance, fatigue strength, toughness, and wear resistance etc. of EN steel grade S355J2 material. So as to meet the different use requirements of various mechanical parts and tools. Quenching can also help to get the ferromagnetic, corrosion resistance and other special physical and chemical properties of certain special steels.

45# steel is high-quality carbon structural steel with low hardness and easy cutting. After quenching and tempering, the parts have good comprehensive mechanical properties. 45# steel is widely used in motorcycles and automobiles, especially those connecting rods, bolts, gears and shafts that work under alternating loads, huge friction, usually quenching method to improve its own hardness, wear resistance and service life.

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The company has a professional after-sales service team and good after-sales service reputation, providing full and uninterrupted after-sales service, to ensure timely and rapid solution to customer problems. The company is recognized as a 5-star brand of market quality cost performance and customer satisfaction by Market Research Center, and rated as "AAA credit enterprise of enterprise credit evaluation", and also a leading steel producer and service provider in the world.

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The company will rely on its good reputation, excellent hot-rolled plates, steel pipes, steel structure products, and intimate EN steel grade S355J2 material after-sales service to customers. I would like to express my heartfelt thanks to the old and new friends and customers who have always given care, support and help to the company! The company sincerely hopes to establish a long-term cooperative relationship with them, mutual benefit and common development. Welcome to come and visit our EN steel grade S355J2 material steel mill.