JESSOP 2-B is a general purpose hot work die steel having great resistance to abrasion. It is supplied in three grades. namely 2-B (L.C.), 2-B (M.C.) and 2-B (H.C.). These are classed as ASM Type IV F1, Type IV F3 and Type IV F2 respectively. This datasheet provides information on composition and hardness. It also includes information on forming, heat treating, and machining. Filing Code: TS-33. Producer or source: Jessop Steel Company.