API Standard 650, Welded Tanks for Oil Storage, Thirteenth Edition, has been published to ensure the safety, sustainability, and environmental performance of oil storage tanks. The …

Aug 3, 2025 · The API 650 standard was first introduced in 1961 by the American Petroleum Institute to provide a unified framework for the design, fabrication, erection, and inspection of …

Apr 22, 2025 · In simple terms, API 650 is a standard developed by the American Petroleum Institute (API) that tells you how to design, weld, and inspect large welded steel storage tanks.

Each edition, revision, or addenda to this API Standard becomes effective six months after the date of issuance for equipment that is certified as being constructed, and inspected per this …

Aug 1, 2025 · This standard provides industry with tanks of adequate safety and reasonable economy for use in the storage of petroleum, petroleum products, and other liquid products.

Complete API 650 tanks guide: design rules, material specs, welding, seismic & hydro-testing. Expert tips for cost-effective, compliant bulk liquid storage.

Aug 7, 2025 · Access your standards online with a subscription. Simple online access to standards, technical information and regulations. Critical updates of standards and …

Mar 8, 2024 · API 650, developed and published by the American Petroleum Institute (API), is a widely recognized standard that governs the design, fabrication, and installation of welded …

API 650 is a comprehensive standard developed by the American Petroleum Institute to govern the design, fabrication, erection, and inspection of welded steel storage tanks.

The 14th edition of API Standard 650 represents a significant update, introducing both major substantive and clarifying technical changes to the document. Key Changes This edition …