What is the wear resistance of 45 # steel plate after quenching and tempering treatment

The wear resistance of 45 # steel plate after quenching and tempering treatment is relatively average.

Quenching and tempering treatment is mainly aimed at improving the comprehensive mechanical properties of steel, including strength, toughness, and hardness, but it is not a prominent feature in terms of wear resistance. Compared with specialized wear-resistant steels such as NM500, the wear resistance of 45 # steel plate after quenching and tempering is much worse.

After quenching and tempering, the hardness of 45 # steel plate is usually around HRC25-HRC32, which can be used in some mildly worn environments. However, when facing strong friction and wear, wear marks will appear on its surface quickly, and its service life may be affected to some extent.

If there are high requirements for wear resistance, it is generally not recommended to use quenched and tempered 45 # steel plate alone. Instead, special wear-resistant materials or surface treatment of 45 # steel plate should be considered to improve its wear resistance.

• Previous article：What is the hardness of 45 # steel plate
• Next article：How to choose the appropriate hardness of 45 # steel plate according to actual needs?