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The mechanical properties of NM450 hot rolled wear resistant steel plate

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After hot extrusion, the grains of the alloy wear-resistant steel plate are significantly refined, dendrites and network structures are broken, and the grain size and the distribution of precipitated phases in the alloy are more uniform to generate Al2Y and Al3Y phases distributed within and along the grain boundaries , The hardness is significantly improved, the mechanical properties are significantly improved, the deformation strengthening effect is more significant, and the corrosion resistance of the NM450 hot rolled wear resistant steel plate, alloy wear-resistant steel plate is significantly improved.

As the thickness and hardness of NM450 hot rolled wear resistant steel plate increase, the tendency to crack at the cutting edge increases. In order to prevent the NM450 hot rolled wear resistant steel plate from cutting cracks, preheating should be carried out before NM450 hot rolled wear resistant steel plate cutting. Special attention should be paid to preheating to make the entire NM450 hot rolled wear resistant steel plate interface evenly heated to avoid local overheating in the area contacting the heat source. If the whole NM450 hot rolled wear resistant steel plate cannot be preheated, the partial preheating method can be used instead.

On Nov. 1st, 2019, BBN NM450 hot rolled wear resistant steel plate steel organized Delegation to visit Zhengzhou Children Welfare Institute, and to give sponsorship as well as concerns to the Children. The handicapped children is always a pain topic. With the development of the society, they also gets increasing concerns and help from all walks of life. Thankfully, our Government also gives high concern to the handicapped children and has built NM450 hot rolled wear resistant steel plate Children Welfare Institutes all over the country to guarantee their lives.

Steel plate is a plate-shaped steel formed after pouring molten steel. Steel plate is one of the most common forms of steel. With the diversity of market demand, steel plate styles have become diverse, mainly including thick steel plate, thin steel plate, flat steel, etc. Among them, thick steel plate is mainly used in building construction, ship plate, vehicle, boiler, high pressure vessel, oil and gas pipeline, large steel structure, etc. The requirements for bearing capacity of NM450 hot rolled wear resistant steel plate, thick steel plate are very high.

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