Tungsten steel is a kind of cemented carbide with tungsten carbide as the main body (technically called tungsten-based cemented carbide). The cemented carbide we usually talk about is usually tungsten-based cemented carbide, that is, tungsten steel.

Academically, there is also a kind of cemented carbide called titanium-based cemented carbide, commonly known as "cermet".

If you buy it, you should have the shape (such as round bars and blades), size, material (mainly representing chemical composition and particle size, but most of them are your own brands except a few national brands) and special requirements when necessary (such as two internal cooling holes with 30-degree spiral angles).