"ASME standard patched" refers to instances where an American Society of Mechanical Engineers (ASME) code, standard, or published interpretation has been modified, corrected, or updated by a subsequent patch, erratum, addendum, or revision. Patches can address typographical errors, safety-critical corrections, clarifications, or incorporate new technology and lessons learned since the original publication.
Rationale: Erratum identified during internal audit where corrosion rate units were inconsistent, potentially leading to underestimation of required thickness. asme standard patched
| Code Section | Feature | |--------------|---------| | ASME VIII-1 UG-37 | Area reinforcement requirements | | ASME VIII-1 UG-41 | Strength of reinforcement welds | | ASME PCC-2 Article 201 | Permanent patch repair for corrosion/erosion | | ASME VIII-1 UW-13 | Welded attachment details | "ASME standard patched" refers to instances where an
: Often used in conjunction with ASME. Note that the NBIC generally prefers flush patches (insert plates) or weld overlays over external "lap" patches for permanent repairs. 4. Inspection and Testing | Code Section | Feature | |--------------|---------| |
These papers provide valuable insights into the evaluation, design, and repair of patched equipment in accordance with ASME standards.
Yes, but only for non-pressure retaining parts (e.g., insulation jacket). For pressure containment, bolted patches are rarely ASME compliant because they rely on gaskets which can extrude under pressure.