Methods to improve the toughness of nm450 steel low price

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NM450 steel low price, wear-resistant plate refers to the low-alloy steel plate that is hardened by quenching during the rolling process or the low-alloy steel plate is heat treated and hardened. The hardness is generally HB350-500. The wear-resistant layer of the bimetal wear-resistant plate is of high alloy composition. There are a large number of high-hardness alloy carbides (about HV1600) embedded in the matrix in the metallographic structure, which are the main carbides that play a role in anti-wear. The actual micro hardness of the wear-resistant layer is much higher than the measured macro hardness, and its strengthening method is the same as that of cemented carbide.