Best Answer: So used to something it doesn't impress you anymore. Unimpressed, unfazed. A person who is blasÃ© about something would respond Meh.
While cobalt is harder than titanium, and therefore more scratch resistant, tungsten is still the hardest metal currently on the market. In simple terms, although cobalt and tungsten are both extremely hard metals, a tungsten ring will have a higher resistance to scratching. MONARCH-Tungsten Diamond Ring.
Tools made of tungsten carbide are stronger and last longer than hardened steel tools. Most of these tools just have tungsten carbide inserts brazed onto a hardened steel part or cutting tool. The sharp part is the tungsten carbide the rest of the tool is steel.