Knife Blade Steels and Facts — WoodWorld of Texas

440 Stainless Steel: 440(X) Stainless Steel: a higher grade of cutlery steel, with more carbon, allowing for much better edge retention when properly heat-treated. It can be hardened to approximately Rockwell 58 hardness, making it one of the hardest stainless steels. Available in four grades: Type 440A - has the l