what is NM 500 equivalent
NM 500 is a wear-resistant steel plate with a typical hardness of 500 HBW (NM 500) that combines high toughness, excellent bendability, and good weldability. Its excellent surface hardness, high crack resistance, and good formability make it suitable for a variety of uses. It is most commonly used in mining and construction applications, where its combination of wear resistance and impact strength provide long-term protection against wear.
The equivalent of NM 500 is called NM 750, which is an even harder form of the steel plate. This steel plate is made up of a unique material that has a unique property of high strength, combined with excellent bendability, and good weldability. NM 750 is often used in highly demanding applications, such as crane arms, mining buckets, and dump bodies where factors, such as structural integrity, abrasion resistance, and high impact strength are of primary importance.
Unlike NM 500, NM 750 does not need to be surface hardened due to its excellent hardness and wear resistance. Its microstructure consists of fine carbides, which provide excellent wear-resistance and abrasion resistance. This makes it ideal for welding and bending, which require high strength and good formability. Furthermore, NM 750 has excellent cold formability, and can be machined without problems.
Despite the higher cost of NM 750, its unique properties make it a good choice in many applications. Its high hardness and wear-resistance properties give it long-term protection against wear and abrasion, while its good formability makes it suitable for metal forming, machining, and welding. NM 750 has excellent resistance to cracking and fatigue, as well as good corrosion-resistance, making it ideal for many industrial applications. Additionally, NM 750 is impervious to harsh chemicals, making it safe for many uses.
NM 500 and 750 steel plates differ in hardness and impact strength, offering different levels of protection and wear-resistance based on the application. While both are excellent materials and have unique properties, the choice of which to use will depend on the specific application and budget.




