Strong AC / DC TIG 402 Pulse
By Hyunald Electric Weld – Leading Manufacturer & Supplier of
Digital Industrial Strong AC/DC TIG 402 Pulse Inverter Welding Machine
Category: Digital Industrial AC/DC TIG Inverter Welding Machine
The STRONG AC/DC TIG 402 PULSE from Hyunald Electric Weld is a next-generation digital inverter TIG welding machine, purpose-built for high-precision welding of aluminum, stainless steel, carbon steel, and exotic alloys. With AC/DC pulse functionality, it delivers unmatched control for both ferrous and non-ferrous materials—making it ideal for aerospace, fabrication, automotive, maintenance, and industrial welding applications.
Backed by advanced IGBT inverter technology, the STRONG AC/DC TIG 402 ensures deep penetration, clean arc initiation, low spatter, and high efficiency, all while offering a user-friendly digital interface for precision parameter setting.
Features & Benefits -
- AC/DC TIG Operation - Welds both ferrous and non-ferrous metals, including aluminum and magnesium (AC) and steel and stainless steel (DC).
- Advanced Pulse Functionality – Enhances arc control and heat input management—ideal for thin sheet welding and critical joints.
- Digital Control Panel - Intuitive interface for setting current, pulse frequency, AC balance, slope time, and more.
- MMA Compatibility - Supports stick welding with reliable arc stability on a wide range of electrodes.
- Soft Start & Arc Force - Ensures smooth ignition and consistent arc in challenging welding conditions .
- High Duty Cycle (80% @ 400A) - Built for continuous industrial performance without interruptions.
- IGBT Inverter Efficiency - Energy-efficient design with improved arc characteristics and reduced power consumption .
- Thermal & Overload Protection - Enhances operational safety and longevity .
- Clean & Stable Arc - Ideal for TIG welding in critical applications like pipe joints, aluminum tanks, and fine structures .
Applications -
- Aluminum and Stainless Steel TIG Welding .
- Aerospace & Automotive Fabrication.
- HVAC & Thin Sheet Metal Welding.
- Pipeline & Process Equipment Manufacturing .
- Pressure Vessel & Tank Fabrication .
- TIG Root Pass & Structural Welding.
- Maintenance & Repair in Industrial Units .
Technical Specifications -
| Model | STRONG AC / DC TIG 402 PULSE |
| Category | Digital Industrial AC/DC TIG Inverter Welding Machine |
| Input Voltage | 415V ±10%, 3 Phase, 50/60Hz |
| Output Current Range (TIG) | 10A – 400A |
| Output Current Range (MMA) | 20A – 400A |
| No-load Voltage | 70V – 80V |
| Duty Cycle | 80% @ 400A |
| Pulse Frequency | 0.5 – 300 Hz |
| AC Frequency | 20 – 250 Hz |
| AC Balance Control | 15 – 85% |
| Efficiency | ≥ 90% |
| Power Factor | ≥ 0.95 |
| Cooling System | Forced Air Cooling with Fan |
| Protection Class | P23 |
| Insulation Class | H |
| Weight | Approx. 50–55 kg |
| Dimensions (L×W×H) | 600 × 400 × 550 mm |
Hyunald Electric Weld – Trusted Manufacturer & Supplier
Hyunald Electric Weld is a leading manufacturer and supplier of high-performance welding solutions, known for its rugged, efficient, and industry-ready machines. The STRONG AC/DC TIG 402 PULSE is engineered for industrial professionals who demand the highest level of control, reliability, and arc quality.
