Internal Welding Machine (IWM)
Machine that runs inside the pipe and welds the root pass of pipeline joints automatically.
Price on request
At a glance
Specifications
| Tools | 4 to 8 heads depending on diameter; fully automatic internal root pass |
|---|---|
| Capacity | Pipe sizes 24" to 60" |
| Other | Root welding time 2 minutes on a 56" pipe |
What it does
Where it works
About the maker
- Company
- CRC-Evans
- Based in
- Houston, TX, United States
- Status
- Active
- Sold in
- Not found on the maker's site
- Rental or as a service
- Not found
Facts from the maker’s own website (crcevans.com); some from trade press, last checked 2026-11-02.
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Buyer’s guide: rebar tying and welding robots
How they work
Rebar robots ride on the mat and tie every crossing; welding robots run in fabrication shops on parts that used to be welded by hand.
What to check before buying
- Ties or weld metres per hour
- On site or in a shop
- Setup time per job