ASME Unfired Pressure Code Section VIII, Division

Equation 4-36 is for membrane shells with a negligible thickness. As the pressure and the shell thickness increase, the stress distribution across the thickness is non-uniform. Therefore, some correction to the membrane theory is required. The modified code equation as given by the ASME Unfired Pressure Code, Section VIII, Division 1 is ... 

ASME Code for Unfired Pressure Vessels, Section VIII, Division I... 

Figure 18.15. References to items covered in the ASME Code for Unfired Pressure Vessels, Section VIII Division 1 (Chuse and Eber, 1984).

American Society of Mechanical Engineers, ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 Unfired Pressure Vessels, ASME, New York (new editions are published regularly). 

Unfired pressure vessels should be designed and constructed in accordance with Section VIII, Division 1 or Division 2, of the ASME 6o 7er and Pressure Vessel Code. 

At these operating conditions, this vessel would not need to be compliant with the ASME Pressure Vessel Code, Section VIII 2010 ASME Boiler Pressure Vessel Code Section VIII Rules for Construction of Unfired Pressure Vessels - Division 1 updated by ASME, July 1, 2011. 

The first ASME Code for pressure vessels was issued as Rules for the Construction of Unfiied Pressure Vessels, Section VIII, 1925 edition. The rules applied to vessels over 6 in. in diameter, volume over 1.5 ft and pressure over 30 psi. In December 1931, a Joint APl-ASME Committee was formed to develop an unfiied pressure vessel code for the petroleum industry. The first edition was issued in 1934. For the next 17 years, two separate unfired pressure vessel codes existed. In 1951, the last API-ASME Code was issued as a separate document. In 1952, the two codes were consolidated into one code— the ASME Unfired Pressure Vessel Code, Section VIII. This continued until the 1968 edition. At that time, the original code became Section VIII, Division 1, Pressure Vessels, and another new part was issued, which was Section VIII, Division 2, Alternative Rules for Pressure Vessels. 

ASME Boiler and Pressure Vessel Code. The ASME Boiler and Pressure Vessel Code is pubhshed in 11 sections. Section VIII, which is concerned with rules for the design of unfired pressure vessels, was first pubhshed in 1925 and since 1968 it has been issued in two parts. Division 1 (147) and Division 2 (148), the latter being known as the Alternative Rules. 

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