Special Materials and Related Equipment
Maraging steels, useable in ‘missiles’, having all of the following: a. Having an ultimate tensile strength, measured at 293 K (20 °C), equal to or greater than: 1. 0,9 GPa in the solution annealed stage; or 2. 1,5 GPa in the precipitation hardened stage; and b. Any of the following forms: 1. Sheet, plate or tubing with a wall or plate thickness equal to or less than 5,0 mm; 2. Tubular forms with a wall thickness equal to or less than 50 mm and having an inner diameter equal to or greater than 270 mm.