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NM400 wear-resistant steel plate processing biggest 6 mills South Korea


Vanadium element (V element) can refine grains in ordinary low carbon alloy steel, improve the strength and yield ratio and low temperature characteristics after normalizing, and improve the welding performance of steel, NM400 wear-resistant steel plate processing included. Vanadium element (V element) is often used in combination with manganese, chromium, molybdenum, tungsten and other elements in structural steel because of its low hardenability under general heat treatment conditions. Vanadium in quenched and tempered steel is mainly to improve the strength and yield ratio of steel, refine the grain size, and pick up the overheating sensitivity.

The toughness of steel such as NM400 wear-resistant steel plate processing is the ability of steel to absorb energy in the process of plastic deformation and fracture, and also the ability of steel to resist impact load. It is related to and different from the plasticity of steel. It is the comprehensive performance of strength and plasticity. The strength plasticity index of steel is obtained by static tensile test. When these indexes are used to bear the dynamic load structure, there are obvious limitations.

NM400 wear-resistant steel plate processing, NM400 wear plate is a special structural steel with high wear resistance. Generally speaking, the higher the hardness, the higher the wear resistance. The average hardness of NM400 wear plate is 400HB. After quenching, or quenching and quenching, NM400 wear plate has a good martensite-bainite microstructure. The addition of molybdenum, nickel, and boron alloys ensures uniform texture throughout the thickness direction.

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 NM400 wear-resistant steel plate processing 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 NM400 wear-resistant steel plate processing 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.

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