Tungsten carbide is one of the hardest metal compound on earth.  It's as hard as diamond and sapphire, so it is harder than titanium, stainless steel and all precious metals types such as platinum, gold, silver, etc.   Tungsten is highly scratch resistance because of its hardness, but it can... Tungsten carbide is one of the hardest metal compound on earth.  It's as hard as diamond and sapphire, so it is harder than titanium, stainless steel and all precious metals types such as platinum, gold, silver, etc.   Tungsten is highly scratch resistance because of its hardness, but it can...

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