... -rolled steel Round bar/Square bar/Flat/Plate/Forging1.H10/4Cr3Mo3SiV die steel 2 100% manufacturer+ 100%forge+machined die steel ... 3.delivery on time die steel1.H10/4Cr3Mo3SiV die steelUse: Suitable for Aluminum Extrusion Die, and Aluminum Cooper ... -200mm*width60-500mm hot die steel H10/1.2365/SKD7/4Cr3Mo3SiV, ESR ingots