Induction Preheating Steel Tubes
Objective Induction preheating steel tubes with diameters of 14mm, 16mm, and 42mm (0.55”, 0.63”, and 1.65”). A 50mm (2″) length of the tube much be heated to 900°C (1650°F) in under 30 seconds.![](https://dw-inductionheater.com/wp-content/uploads/2021/02/preheating-steel-tubes-with-induction-1024x610.png)
Equipment
DW-UHF-6KW-III handheld induction heater
Materials
• Steel tubes with ODs: 14mm, 16mm and 42mm (0.55”, 0.63”, and 1.65”)
• Wall thicknesses: 1mm, 2mm, and 2mm (0.04″, 0.08″, 0.08″)
Key Parameters
Power: 5 kW for 42mm tube, 3 kW for 14 and 16 mm tubes
Temperature: 1740°F (950°C)
Time: 26 sec.
![](https://dw-inductionheater.com/wp-content/uploads/2021/02/induction-preheating-steel-tubes-1024x597.png)
![](https://dw-inductionheater.com/wp-content/uploads/2021/02/induction-heat-steel-tubes-1024x383.png)
- Insert steel tube into the coil.
- Apply induction heat for 26 seconds.
- Remove the tube from the coil.
![](https://dw-inductionheater.com/wp-content/uploads/2021/02/high-frequency-preheating-steel-tubes-1024x576.png)
![](https://dw-inductionheater.com/wp-content/uploads/2021/02/induction-preheat-heating-steel-tube-1024x609.png)