
ST-40 Portable Tungsten Electrode Grinder, 1.0–6.0 mm
- Power
- 0.5 kW
- Drive
- Electric
- Weight
- 1.5 kg
Magnetic-track welding carriage for pipe >130 mm, walls 5–50 mm, with weave control.
A magnetic trolley carries the torch around the pipe for all-position girth welds. Programmable weave width, speed and dwell time give consistent welds on pipe over 130 mm in carbon steel, stainless and aluminium.
Values for the standard configuration. Custom versions may differ; confirm with your quotation.
| Pipe diameter | >130 mm |
|---|---|
| Wall thickness | 5–50 mm |
| Rated output current | 400 A |
| Input voltage | 380 V |
| Welding speed | 0–200 mm/min |
| Weave amplitude | 0–67 mm |
| Dwell time | 0–9.9 s |
| Shielding gas | CO₂ |
| Dimensions | 600 × 400 × 350 mm |
| Weight | 40 kg |
| Warranty | 1 year |
Range, power, warranty and shipping.
Magnetic-track welding carriage for pipe >130 mm, walls 5–50 mm, with weave control. Typical applications: pipeline girth welds, tank and vessel seams.
1 year warranty. Every machine is run and inspected before shipment; a test report and an outgoing-inspection video are provided with the order.
Standard configuration: 380 V. Tell us your voltage, phase and frequency, or whether you need pneumatic drive, when you request a quote and we will confirm the available configuration.
Machines are packed in export wooden or plywood cases; portable tools ship in fitted carry cases inside the export carton. We ship by sea, air or express from Shanghai and provide the commercial invoice, packing list and certificate of origin.




Tell us the material, size and bevel or face you need, and your power supply. We reply within one working day.