Factory-floor pricing for TIG welders splits into three hard bands in 2026: US$95–500 for 140–200 A single-phase DC inverter units, US$600–2,000 for mid-range 200–320 A dual-voltage DC pulse machines, and US$3,000–8,500 for 400 V three-phase AC/DC pulse units with integrated water cooling [S1][S2].
The cost driver is not the badge — it is the power-class, waveform package and duty cycle, with portable DC units at 8 kg and IP21 ingress dominating the low end, and trolley-mounted AC/DC water-cooled chassis pulling 12,900–17,300 W on the high end [S2].
Entry-level DC single-phase: US$95–500, 140–200 A, IP21
AC 220 V ±10 % single-phase supply at 50/60 Hz defines the entry tier, with output current typically 10–180 A or 10–200 A and 60 % duty cycle at rated output. HF arc-starting, IP21 protection class, no-load voltage around 42 V and 85 % inverter efficiency are baseline on these chassis, with a reported power factor of 0.93. [S1]
Net weight stays near 8 kg and gross packed weight near 12 kg for chassis such as the TIG-180, making them viable for site work but limited to thin-section steel, stainless and light aluminium. This is the band where most low-cost exporters list US$95–210 per set FOB Guangdong at 50-piece MOQ, scaling to container pricing at higher volumes.
Mid-range DC pulse, dual-voltage: US$600–2,000, 200–320 A
Stepping up to dual-voltage 230 V single-phase / 400 V three-phase opens pulse modes and MMA stick backup, with units such as the Telwin INVERPULSE 40.40 WAVE listed at 9,300 W (230 V) and 15,000 W (400 V) draw [S3]. These are multi-process MIG/MAG/TIG/pulse inverters sold to fabrication shops that need one machine for structural steel, stainless and aluminium without re-tooling between jobs [S3].
Portable professional DC units in the 140 A class — Deca MASTROTIG — target maintenance, repair and construction crews and carry a portable form factor with DC output only, which keeps cost down versus AC/DC chassis [S4]. Buyers shopping this band should expect to pay a 2–4× multiplier over entry-level for the pulse waveform, MMA compatibility and 3-phase 400 V option, not for raw amperage [S3][S4].
High-end AC/DC pulse, water-cooled: US$3,000–8,500, 400 V three-phase
Aluminium and thin-sheet stainless work is the price-justification for AC/DC pulse chassis. The Telwin SUPERIOR TIG 422 WAVE AC/DC AQUA runs 230 V single-phase or 400 V three-phase with 12,900 W and 17,300 W power draws, ships on a trolley with integrated water cooling, and supports steel, copper, aluminium and stainless [S2]. A non-water-cooled AC/DC sibling, the SUPERIOR TIG 421 DC ACC, draws 8,000 W at 400 V three-phase and supports the same materials minus the high-amperage sustained aluminium duty [S1].
AC waveform capability is the line item that moves the price 5–10× over entry DC: square-wave AC, balance control and frequency adjustment are required for aluminium cleaning action and oxide-layer management on thin sheet, which a DC-only chassis physically cannot do [S1][S2]. Pulse叠加 on top of AC adds THINSPOT-style thin-sheet spot cycles and EASY PULSE synergic modes, which are typically licensed as firmware options and reflected in the OEM list price [S1].
Automatic seam TIG: project-priced, not catalogue-listed
Automatic longitudinal seam welders are a separate procurement track. The Schnelldorfer ELENA ONE is a TIG seam welder for thin-section sheet metal, configured for longitudinal joints, and is sold as project-engineered equipment rather than catalog stock with a US$ sticker [S5].
Expect quotation on a per-station basis, with cost scaling on weld length, fixture count and any required integration with upstream cutting machine or coding machine cells. For process selection between manual and automatic seam, the TIG welder selection guide on duty cycle, process and material gates lays out the engineering trade-offs.
Cost levers that move the quote up or down
Five variables account for nearly all of the price spread between US$95 and US$8,500 in the 2026 market: power class (single-phase 220 V vs three-phase 400 V), waveform (DC only vs AC/DC with pulse), cooling (air vs water), chassis integration (portable 8 kg vs trolley with cooler), and brand/service network. A 200 A DC-only chassis at 60 % duty cycle from an export channel sits at the floor; adding 400 V three-phase, AC waveform, pulse and water cooling compounds the BOM and typically multiplies list price by 8–15× [S2][S3].
Cruxweld's India product line offers GTAW welding equipment to the South Asian market, illustrating how TIG/GTAW machines are supplied through regional channels [S6]. The wider arc welding machine buying guide for 2026 covers the same current, duty and process axes for the broader stick/MIG/TIG family.
Process scope: what TIG pricing does and does not include
Machine price covers the power source, torch lead set and ground return, but rarely includes the gas regulator/flowmeter, filler rod stock, tungsten electrode kit or shielding gas cylinder — those are recurring consumables, and on a 200 A DC chassis with HF start the no-load voltage of ~42 V and the duty cycle of 60 % define the realistic daily weld time, not the peak amp figure. [S2]
Spec readers should also distinguish GTAW (the process name) from the machine chassis class: a multi-process inverter labelled MIG/MAG/TIG/pulse is one machine with mode-switching firmware, and the TIG mode on such a chassis is typically limited versus a dedicated AC/DC TIG chassis at the same price [S3]. For complementary process equipment pricing in adjacent lines, the stepper drive 2026 buying guide covers motion-side cost levers, while the casting mold 2026 price and cost guide addresses the tooling that often sits one cell upstream of the weld station.
Trackable signals for the next procurement cycle: 400 V three-phase mains availability at the install site, confirmation of water-cooled torch lead length and fitting type, and whether the OEM warranty covers the core machine inverter stack or only the front-panel PCB.