Vessels constructed after December, 1987 are subject to the requirements of ________ of ASME Section VIII, Division 1.
Vessels constructed after December, 1987 are subject to the requirements of ________ of ASME Section VIII, Division 1.
Vessels constructed after December 1987 are subject to the requirements of UCS-66 of ASME Section VIII, Division 1. This section covers the requirements for impact testing of ferritic steel materials, which is necessary for ensuring that the materials can withstand low temperatures without becoming brittle. UCS-66 provides guidelines for determining the Minimum Design Metal Temperature (MDMT) and the associated impact test temperature based on the material and the thickness of the vessel.
Any vessels constructed after December 1987 must comply with the requirements of UCS-66 of ASME Section VIII, Division 1. This includes requirements for impact testing of ferritic steel materials at temperatures below their Minimum Design Metal Temperature (MDMT). UCS-66 provides a table of MDMTs for various ferritic steel materials, as well as curves that can be used to determine the required impact test temperature based on the material's MDMT and the thickness of the vessel. In general, impact testing is required for ferritic steel materials that will be used at temperatures below their MDMT, unless the material is specifically exempted by the Code.