1 It is recommended that beginners play an easier Difficulty first, before attempting hardcore mode. 2  Do not enter Caves unless prepared with at least iron Armor, a Sword and a Pickaxe.  Do not go to The Nether or The End unless totally prepared.
Tungsten Carbide Education: What is Tungsten Carbide. Tungsten carbide (WC) is durable and hard, it is four times harder than titanium, ten times harder than ceramic and twice as hard as stainless steel, so it cannot be resized.
Corrosionpedia explains Carbide. A carbide is a compound composed of carbon and a less electronegative element, usually a metal or a metal oxide. Carbide usually refers to calcium carbide, or sometimes tungsten carbide when the term is used by itself.