XW-5 steel is a high carbon, high chromium alloy steel containing tungsten, its characteristics Chemical composition:CSiMnMoW2.050. ... .81.3 XW-5 steel is a high carbon, high chromium alloy steel containing tungsten, its characteristics are:·Excellent wear resistance ... state: annealing to about HB240 (highest) XW-5 steel,high-chromium steel sheet