AHP AlphaTIG 225Xi

Last updated: November 2, 2026

AHP AlphaTIG 225Xi
3.8/5#9 of 11 in AC/DC TIG TIG welders
3.8

A step up in power from the 203Xi for welders who work thicker aluminum. Best for a fixed garage bench.

  • 225 AOutput
  • 35% at 225 ADuty cycle
  • AC/DC TIG, stickProcesses
  • 120 V and 240 VInput
Check price at Amazon$715Check price at AHP$695

Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • 225 A on 240 V handles 1/4 in aluminum in one pass
  • Pedal and a full size 26 series torch come in the box
  • Still runs on 120 V at up to 150 A
  • Holds 200 A at a 60% duty cycle for long welds
Cons
  • At 50 lb it is a shop machine, not one to carry around
  • Only 35% duty cycle at its full 225 A
  • The maker store sells it as a preorder for now

The AHP AlphaTIG family

Every AHP AlphaTIG model we rank, smallest first. Ratings compare each against its own process.

ModelOutputRatingPrice
AHP AlphaTIG 203Xi200 A4.2/5$670
AHP AlphaTIG 225Xi (this one)225 A3.8/5$695

How it scores

The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its process. How we rank explains each one.

Specifications

Model numberAlphaTIG 225Xi
Output
ProcessesAC/DC TIG, stick
Maximum output225 A
Maximum on 120 V150 A
Duty cycle35% at 225 A
Input120 V and 240 V
Features
PulseYes
Foot pedal in the boxYes
TIG torch in the boxYes
Weight50 lb
Warranty3 years

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