High Speed Steel
Ground Blank
T8. Tungsten-Rich HSS
T8 typical analysis (%): C 0.8; W 14.0; Cr 4.0; V 2.0; Co 5.0; Mo 0.8 – wear resistance exceeded only by T3 combined with good red hardness make this steel suitable for severe cutting operations, especially stainless steels. It has also given good results on hard die blocks, manganese steel castings and chilled cast iron.