2. Feature SKD11 is a high- carbon and high- chromium alloy tool steel. It has good wear resistance and size ability after heat treatment and is suitable for making long-life high-precisioncold-work dies. 3, Applications used for making large area, complex shape and large impact cold work moulds and tools, like: punching moulds, cold squeezing moulds and circular saws. 4. Sizes Round bars: Dia. 90---480mm Flats: width 200---1000mm thickness 50---350mm Length: 2m---7m