What is the difference between NM 500 and NM500

    
    NM500 and NM 500 are two steel-based wear-resistant materials that are widely used in construction and heavy industry. Both are hard, resilient and offer superior resistance, but there are some important differences between them.
    
    NM500 is a 300 brinell, medium-hardened wear-resistant steel. It is widely used in applications that require a combination of wear and impact resistance, such as those found in sandblasting and drilling. It has a high tensile strength of 730MPa, with an elongation of 20-25%, and its hardness range of HB500-550. NM500 offers good welding and cutting properties, as well as excellent fatigue and corrosion resistance.
    
    NM 500 is a hard, wear-resistant steel with a 500 Brinell hardness rating. It is widely used in applications where a high wear resistance is required, such as in industrial applications where extreme temperatures and wear and tear are frequent. NM is a heat-treated steel with a suggested minimum yield strength of 450MPa, with an elongation of 20-25%. NM also offers good welding and cutting properties, as well as excellent fatigue and corrosion resistance.
    
    The main difference between NM500 and NM 500 is found in their hardness levels. NM500 is significantly softer than NM 500, making it less suited for applications where resistance to sliding and impact wear is required. NM has a much higher hardness level, making it more suitable for applications where wear is a factor. Another difference is in their yield strength. NM500 has a higher yield strength than NM 500, meaning it is more resilient and offers better fatigue resistance.
    
    Both NM500 and NM 500 perform very well in their respective applications, but there are important differences to consider. If your application requires a high level of wear resistance and impact resistance, NM 500 is ideal, while NM500 is better suited for applications that require a combination of wear and impact resistance. In any case, the best choice will depend on your specific application and environment.