First you have to choose the right material. Various uses must choose the relative grade, and also has the material which you use, has the sundry inside
Besides the material is very important, different material by using corresponding domestic and imported tungsten steel, it also has the very big difference.
Hard alloy is made by casting sintering of tungsten and cobalt, nickel, titanium and tungsten powder, cobalt and nickel matrix, and it is easy to break a bonding metal, quality and technology, process equipment, but also related to the amount of metal content and bonding, in short, hard alloy production is very complex, the quality is strictly, in order to produce good toughness, wear-resistant tungsten is a long-term process of exploration, experiment, a link may not have a good grasp of the products are not qualified.
