API Std 650 storage tank butt-welded bottom joints

Welded steel API Std 650 storage tank storage tanks that are designed, manufactured and installed on the ground are classified according to the API standard system. The three API standards API Std 650 storage tank all adopt on-site production and installation of storage tanks.

As we know, the vertical metal tank, API Std 650 storage tank is welded by many components, and the welding quality of each component determines the later use effect of the API Std 650 storage tank. Professional API Std 650 storage tank manufacturers should have a set of professional skills in the welding process of API Std 650 storage tank. Key points for weld inspection of vertical metal tank, API Std 650 storage tank:
1. It is strictly forbidden to paint the welds before passing the inspection.
2. Visual inspection shall be carried out for welds.
3. NDT shall be carried out on the weld.

Service Conditions and Hydrogen-induced Cracking
When the service conditions might include the presence of hydrogen sulfide or other conditions that may promote hydrogen-induced cracking effects, particularly near the bottom of the API Std 650 storage tank shell at the shell-to-bottom connections, care shall be taken to ensure that the materials and details of construction of the tank are adequate to resist hydrogen- induced cracking. The Purchaser shall consider restricting the sulphur content of the material to be stored through thickness testing of the steel, laboratory surveillance tests, and the use of internal tank coatings to reduce the possibility of hydrogen-induced cracking.

BEBON is a large steel group with finance department, production department, sales team, technical department, quality control department, logistics department and after-sales service team. We are committed to creating a various culture system with its own characteristics, and work hard to create a first-class steel plate company in China. Based on the business philosophy of quality-oriented and strengthened management, the company continues to develop in this industry.

As a leading international steel supplier, we have two warehouses, close to Tianjin port and Shanghai port. This superior geographical location effectively saves the domestic transportation cost and greatly improves our service level. At the same time, it also shortens our delivery time and provides more convenience for customers.