May 22, 2019 There are helpful ideas about how to cut tungsten carbide rod. As we all known, Tungsten carbide is usually referred to as a sort of a Hard material due to its extremely high hardness in relation to other materials. Typically a Tungsten Carbide can have a hardness value of 1600 HV, whereas mild steel would be only in the region of 160 HV. You wanna try to score or cut off tungsten Tungsten in its pure form is hard and extremely brittle. Therefor its hard to machine. We have published a complete guide to machining tungsten, so be sure to refer to it before you try to work with this material. Uses About half of all tungsten production is used to manufacture cutters of various kinds.