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Tube Expansion Parameters
Tube OD (inches)
Select Average Wall Thickness in Order to Calculate Tube ID
0.022" (24 BWG)
0.025" (23 BWG)
0.028" (22 BWG)
0.032" (21 BWG)
0.035" (20 BWG)
0.042" (19 BWG)
0.049" (18 BWG)
0.058" (17 BWG)
0.065" (16 BWG)
0.072" (15 BWG)
0.083" (14 BWG)
0.095" (13 BWG)
0.109" (12 BWG)
0.120" (11 BWG)
0.134" (10 BWG)
0.148" (9 BWG)
0.165" (8 BWG)
0.180" (7 BWG)
0.203" (6 BWG)
0.220" (5 BWG)
0.238" (4 BWG)
0.259" (3 BWG)
0.284" (2 BWG)
0.300" (1 BWG)
0.340" (0 BWG)
0.380" (00 BWG)
Tube Sheet Hole ID (inches)
Minimum Wall Reduction %
Maximum Wall Reduction %
Videos
Documentation
2", 2-1/2", and 3" Elliott Fire-Tube Boiler Repair Toolbox
2025 Elliott Tool Technologies English Catalog
Refrigeration Service Engineers Society (RSES): 1990 Edition
Elliott Tool Technologies' Basic Principles of Tube Expanding
Standards of the Tubular Exchanger Manufacturers Association
Elliott Tool Technologies' The Art of Tube Expanding
Energy and Environmental Analysis, Inc's Characterization of the U.S. Industrial Commercial Boiler Population