Design standard of typical detail tube hole grooving and rolling of bimetallic tube sheets. Use this standard for study purposes only.

General Notes:

  1. See exchanger drawing for material specification and any exception to this standard
  2. Length roller expanded to be the smallest of 90% of total tube sheet thickness including lining or cladding or 150 mm
  3. Before welding tube to be rolled lightly in tube sheet
  4. After weldling tube to be rolled finally in tube sheet


The next figure shows a typical design: