Erection requirements for API 650 welded steel oil storage tanks

All welded seams in the API 650 welded steel oil storage tanks bottom, and complete penetration and complete fusion sidewall-to-bottom welds, shall be inspected by means of a vacuum box test as described in Q.8.2.1. Sidewall-to-bottom welds not having complete penetration and complete fusion shall be inspected by means of either a vacuum box test of the inside weld as described in API 620 specification Q.8.2.1, or where approved by the Purchaser, a direct pressure solution film test as described in Q.8.2.2.

The Standard has gained international recognition and is the standard of choice of most builders of large liquid above ground API 650 welded steel oil storage tanks storage tanks. One reason for this is that the API 650 Standard was created and is revised by API committees comprised of the world s best tank structural engineers who also rely on the experience of tank owners and tank construction companies.

In Nov, 2018, our Mozambique customer purchased from BBN company 500 tons carbon steel Q235B steel structure for building 10 units of gas station. We have been cooperate more than 5 years for providing plate and pipes and API 650 welded steel oil storage tanks profile as beginning, and they are very satisfied with all the received Cargo. We extend in-house cutting, welding, grinding, bending and certification and testing of our products, on client demand. If you are interested in our steel structures or steel plate price, welcome to contact us.

The preparatory work before the construction of the API 650 welded steel oil storage tanks is an important part of the oil tank project. Material purchase preparation before the construction of the API 650 welded steel oil storage tanks:
Before API 650 welded steel oil storage tanks construction, all materials shall be purchased and prepared, and the specifications and quality of materials shall be inspected to see if they meet the construction operation requirements. Fire and rain proof measures should be taken when storing materials. Paint should be stored in a ventilated and dry place.

Our company will accept the product quality objection registration record, pass it to the API 650 welded steel oil storage tanks production unit and relevant departments, and timely coordinate the supervision of product API 650 welded steel oil storage tanks quality objection. Our company coordinates the relevant department personnel to the customer unit to carry on the investigation, the processing.