ISO 630 Gr E355 plates API standard 650 welded steel storage tanks

Floating roofs shall comply with API standard 650, Appendix C (Attachment 01) or with the API standard 650 welded steel storage tanks requirements as layed (laid )down in the national Chinese specifications SH3046-92 and GBJ128-90.

Strengthen system construction. The system itself has a certain binding force, which specifies the rights and obligations of employees. It is a passive management means for employees. Its purpose is to promote each employee to develop good professional habits, form good behavior norms, and promote the improvement of enterprise management level.

The tank shall be filled with water to the design liquid level unless height is limited as noted in API 620 standard Q.8.1. After the tank is filled with water and before the pneumatic pressure is applied, anchorage, if provided, shall be tightened against the hold-down brackets. All welds in the API standard 650 welded steel storage tanks shell, including the corner weld between the shell and the bottom, shall be visually checked for tightness.