NS322 (HastelloyB-2) Features: corrosion resistant and strong reductive medium. To improve the resistance to intergranular corrosion product use: the concentration of hydrochloric acid and sulfuric acid medium environment (especially temperature) of the device. Rocket parts. Nuclear equipment

Name of chemical composition (weight percentage)
Chemicai composition (WT%) mechanical properties
Mechanicai properities
C Mn Ni Cr Cu Si Mo P S Ti Fe Ai tensile
Yield strength
Strength Elongation class
% Recommended solution treatment temperature / ℃
800 Ns111 0.10 MIN 1.50 MIN 30.00 35.00 19.00 23.00 0.75 MIN 1.00 MIN 0.030 MIN 0.15 MIN 0.15 0.60 Margin 0.15 0.60 515 MIN 205 MIN 30 MIN 1000 ~ 1060
825 Ns142 0.05 MIN 1.00 MIN 38.00 46.00 19.50 23.50 1.50 3.00 0.50 MIN 2.50 3.50 0.030 MIN 0.030 MIN 0.60 1.20 Margin 0.20 MIN 590 MIN 240 MIN 30 MIN 1000 ~ 1050