| ¡ñ Order special steel of end cover from excellent steel works (Tai Steel,Wu Steel and Pu Steel) in accordance with Beihai Steel works's special technical requirements for end cover materials. ¡ñ Main specification which is better than national standard:
Carbon steel: Phosphorus P¡Ü0.020% ¡¢ Sulphur S¡Ü0.015% ¡¢ Stiffness ratio:§Òs/§Òb ¡Ü 75%
UT: larger than 12mm ; Normalizing: larger than 16mm ; 3m width plate: larger than 10mm .
0Cr18Ni9;carbon content C ¡Ü 0.06% |