The uses are virtually endless. Chrome salts are used where exceptional cutting power in abrasives is essential, chromium metal is used for its durability in close tolerance machine parts (particularly aerospace) and it is used for its corrosion resistance.
Hard chrome can be made nearly as abrasion resistant as stellite or Titanium Nitride (TiN).
American Patriot aka Rocmike has stolen Dfrogpongs moniker. This lonely insane loser has been posting 31 out of the last 39 hours under Bill, Tweek, dfrogpong, Ladydarko, Rick Barnett, Bob Suffolk, Top Renner, Anonymous, Lady Aban who is still posting and a few others. This loser needs help and a life.