Low price hot sale SMA490AW weather resistant steel flat bar

Wear resistant steel plate SMA490AW weather resistant steel flat bar is an important material for industrial application. The traditional wear resistant steel is the high manganese steel which hardens under the impact load. The premise of its function must be subjected to enough impact load. With the development of wear resistant steel technology, NM series steel plate breaks through the limitation of traditional high manganese steel and realizes the application space of wear-resistant steel. The main SMA490AW weather resistant steel flat bar grades of NM series wear resistant steel plates are NM360, NM400, NM450, NM500, NM550, NM600.

When the steel plate containing molybdenum only is at high temperature for a long time, the carbon will aggregate into graphite and precipitate, which will worsen the performance. To eliminate this tendency, chromium is often added to the SMA490AW weather resistant steel flat bar, steel plate at the same time. When chromium is added to the steel plate, the heat strength, high temperature oxidation resistance and corrosion resistance can also be improved.

According to the different heating and melting methods of wear-resistant steel plate, SMA490AW weather resistant steel flat bar, wear-resistant steel plate also has its own melting welding method. Cast welding is an earlier welding method, which uses the heat released during the oxidation of thermite or magnesium thermite to melt metal: its characteristics are simple equipment and operation, but for wear-resistant steel plate, the welding quality is not high. It is only used to repair the workpiece.

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