The framework for this document is based upon the American Welding Society ANSI/AWS D10.10-90, Recommended Practices for Local Heating of Welds in Piping and Tubing. During the process of revising this AWS document, it was recognized that it might be more appropriate to prepare a separate document pertaining recommended practices for local heating of welds in pressure vessels. At the same time, a request was received to prepare a guideline regarding postweld heat treatment of repairs for heavy wall hydroprocessing reactors. This request was made by a joint industry project on aging hydroprocessing reactors. Additionally, for the last several years, an ASME Boiler & Pressure Vessel Code Ad Hoc Task Group on Local PWHT, operating under the Section VIII Subgroup Fabrication and Inspection, has been developing requirements for local PWHT. The confluence of these three activities is responsible for the development of this document.
| ISBN(s) : | 1581454597 |
| Number of Pages : | 64 |
| Published : | 06/01/2000 |
