<Ul> <Li> Subsection HA - General Requirements </Li> <Li> Subsection HB - Class A Metallic Pressure Boundary Components </Li> <Li> Subsection HC - Class B Metallic Pressure Boundary Components </Li> <Li> Subsection HF - Class A and B Metallic Supports </Li> <Li> Subsection HG - Class A Metallic Core Support Structures </Li> <Li> Subsection HH - Class A Non-Metallic Core Support Structures </Li> </Ul> <Li> Subsection HA - General Requirements </Li> <Li> Subsection HB - Class A Metallic Pressure Boundary Components </Li> <Li> Subsection HC - Class B Metallic Pressure Boundary Components </Li>

What is considered a pressure vessel by asme