API Std 650 - 2001 Welded Steel Tanks for Oil Storage (Eng)

American Petroleum Institute (API) Temth Edition, November 1998. Addendum 2, November 2001. 240p. This standard covers material, design, fabrication, erection, and testing requirements for vertical, cylindrical, aboveground, closed- and open-top, welded steel storage tanks in various sizes and capacities for internal pressures approximating atmospheric pressure (internal pressures not exceeding the weight of the roof plates), but a higher internal pressure is permitted when additional requirements are met