DIRECT ANSWERDefine tube and tubesheet materials, tube size/pitch, joint type, expansion and welding requirements, qualification, leak/strength duty, inspection, test sequence and repair criteria.
Joint specification
- Materials, dimensions and preparation
- Expanded, welded or combined joint and sequence
- Procedure qualification and production controls
- Examination, leak testing, pull/section tests if required
Relevant manufacturing capability
- Drawing, datasheet and equipment-list manufacturability review
- Self-manufactured and coordinated-supply scope identification
- Technical, quality, document and delivery clarification
Key notes
- The word expanded-and-welded does not define groove, expansion length or acceptance.