How to control the Q415NH low alloy steel quality

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Compared with thick steel plates, Q415NH low alloy steel, thin steel plates have many obvious advantages in steel plate processing and use. It is precisely these advantages of thin steel plates that make them more and more popular in various industries. First, compared to those thicker steel plate materials, thin steel plates are generally thinner in thickness. Thin steel plates themselves are lighter and thinner, and their weight is lighter, which is very convenient for handling during construction and transportation. It can save some storage and transportation space.

Japan is a typical shipping first, and its raw materials are imported from Oceania, central and South America and other Asian countries. Most of the Q415NH low alloy steel steel produced is exported to China and other Asian countries, and a small amount is exported to America. Shipping is the main way of its Q415NH low alloy steel steel international transportation. According to the data, steel goods account for about 20% of the total sea freight in Japan. The domestic transportation of Japanese steel is mainly truck.

The pre cooling direct quenching and low temperature tempering of wear-resistant composite plate can reduce the quenching deformation of the workpiece, and the residual austenite content in the carburized layer can also be slightly reduced. The surface hardness of the hardfacing wear-resistant composite plate, Q415NH low alloy steel is slightly increased, but the austenite grain does not change. It is widely used in various tools of fine grain steel manufacturing.