Welding must be done using a Welding Procedure Specification (WPS) qualified according to ASME Section IX.
Rules for Construction of Pressure Vessels (specifically Mandatory Appendix 6 for specific examination types and general design philosophy) asme standard patched
: The standard recommends a Single Stroke Gothic style (often sans-serif like Arial or Helvetica in CAD software) for maximum clarity. Welding must be done using a Welding Procedure
Requires stringent Non-Destructive Testing (RT or UT) 3.2.4 . B. Fillet Welded Patches (Patch Plates) asme standard patched