Explanatory notes
… steel are manganese, nickel, chromium, tungsten (wolfram), molybdenum, vanadium and cobalt; the most common non‑metal … containing the following elements : chromium, manganese, molybdenum, nickel, silicon and vanadium. (2) Alloy steels … covered by sub‑Chapter III. (14) Steels for control rods in nuclear reactors (with high boron content). This sub‑Chapter …