NM400 wear plate component properties - NM400 wear plate knowledge alloy wear layer chemical composition of the carbon content of 4 to 5%, chromium content of up to 25 to 30%, the volume fraction of Cr7C3 carbide in the metallographic structure of 50% In the above, the macro hardness is HRC 56 to 62, and the hardness of chromium carbide is HV 1400 to 1800. Due to the fact that the carbides are arranged perpendicular to the wear direction, the wear resistance is more than doubled compared to cast alloys of the same composition and hardness. The wear resistance with several typical materials is as follows:
(1) with low carbon steel; 20 to 25:1
(2) and cast high chromium cast iron; 1.5-2.5:1
NM400 wear plate is a high-strength wear-resistant steel plate, which has a high wear resistance, Brinell hardness value of 400 (HBW) is mainly to provide protection in places or parts that need to wear, make the equipment longer life, reduce maintenance The maintenance and downtime brought by it will reduce the capital investment accordingly.
Wear-resistant steel plate has high wear resistance and good impact performance, can be cut, bent, welded, etc., can be welded, plug-welded, bolted, etc. to connect with other structures, saving time in the process of repairing the site It is widely used in industries such as metallurgy, coal, cement, electric power, glass, mining, building materials, bricks and tiles. Compared with other materials, it has high cost performance and has been favored by more and more industries and manufacturers. .
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