Description
U-Bend Tube Thickness per TEMA Calculation
Engineering Spreadsheet — Instant Download
What This Spreadsheet Does
Calculates minimum tube wall thickness at U-bend in U-tube heat exchangers per TEMA. Cold-forming the U-bend thins the outer fiber of the tube — this sheet ensures the post-bend thickness meets pressure design requirements.
What’s Inside the Excel File
- Inputs — straight tube OD and thickness, U-bend radius, design pressure, temperature, material allowable stress, corrosion allowance
- Thinning calculation at U-bend outer fiber per TEMA RCB-2.31
- Required thickness at bend per pressure design
- Pass/fail check for adequate post-bend thickness
- Straight tube selection if bend thinning is excessive
Who This Is For
- Heat exchanger design engineers
- Tube bundle detailers
- Mechanical engineers on shell-and-tube exchangers
- EPC mechanical teams
Codes & Standards Referenced
- TEMA — Standards of the Tubular Exchanger Manufacturers Association
- TEMA Section RCB-2.31 — U-Bend Tube Requirements
How It Works
| 1 | Purchase — secure payment |
| 2 | Download — instant Excel access |
| 3 | Enter Values — tube and bend geometry |
| 4 | Get Results — thinning result with pass/fail |
File Format & Compatibility
Microsoft Excel (.xlsx). Opens in Excel 2016+, Excel 365, Google Sheets. No macros, no locked cells.
What You Get After Payment
- ✅ Instant download (also emailed)
- ✅ Lifetime access
- ✅ Engineer email support
- ✅ 7-day refund if file fails to open
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Frequently Asked Questions
Tight-radius bends?
The sheet handles standard radii. Very tight bends (R/D < 1.5) may need additional fabrication considerations beyond TEMA minimums.
Bend method matters?
Hot vs cold bending affects thinning — adjust thinning factor per fabricator method if known.
Custom version needed?
Request a custom quote.
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