... GB/T 24186-2009 3. Thickness 6-80mm .Wear resistant steelD6,1.2436,Cr12W 2.Mould Steel Cr12W,D6 ... a high hardenability ,toughness,abrasion resistance3.COLD WORK TOOL STEEL ROUND BARHigh carbon and high chromium, dimensionally stable, ledeburitic 12 % ... Cr alloyed cold work tool steel, non-deforming, better hardenability, higher cutting capacity and improved wear resistance than 1.2080, low ...