# How to Choose a Tube Expander: the Tube Data We Need

> How to Choose a Tube Expander: the Tube Data We Need: Expanders are sized to the tube ID, tubesheet thickness and type of joint. Complete tube data is the…

- Source: Hefei Lanbo Electric Machines and Tools Technology Co., Ltd. (Lanbo)
- URL: https://hflanbo.com.cn/en/wenti/zhangguanqi-xuanxing.html
- Category: Selection & Production
- Published: 2026-10-19
- Last updated: 2026-10-19
- Phone: +86-551-6288 4258 / +86-551-6287 6222 / +86-551-6288 4054 / +86-136 3706 6767; Email: Lanbo@hflanbo.com.cn; Address: 159 Tiandu Road, Hefei Economic and Technological Development Zone, Hefei, Anhui 230601, China

## Details

Common causes
Only the OD was given, without wall or tubesheet thickness
Joint type (parallel, tapered, flared) was not specified
How to diagnose
Check that the expander range covers the tube ID before and after rolling
How to fix it
Standard condensers and exchangers: A series three-roll or A5 five-roll expanders
Thick tubesheets: H / H5 long-reach expanders
Intermediate tubesheets: LH long-reach expanders
Flared joints: F series flaring expanders
What to send us
Tube OD, wall (mm or BWG) and material
Tubesheet thickness and rolled length
Joint type: parallel, tapered or flared
Tube roller drive (square drive size)

## FAQ

### What information is needed to order a tube expander?
Tube OD, wall and material, tubesheet thickness, rolled length, joint type, and the square drive size of your tube roller.