Welding Machines & Accessories

AC Welder

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An AC welder uses the AC polarity while it is working. The AC welder uses the AC electricity that switches the direction back and forth so that the voltage may periodically reverse. The AC welder does deliver perfect weld for it allows better penetration and also will have many applications in the field. When using the AC polarity, the arc tends to go out and then it will re-establish itself.

The AC welder will, therefore, use electrodes that have specific elements in their coating which ensures that the arc is kept at ignition. The AC welder will use a welding power supply that creates an electric arc between the metal stick and the base material to melt the metals at the point where they fuse.

Notably, the AC welders will use both the consumable and non- consumable electrodes for welding! The AC welders do is often uses as a second option since the DC welders are considered to be the best and most convenient all the time! An ac welder will need a transformer that will only alter the high voltage to a low voltage while the DC may need an inverter that will convert the AC to a DC!

AC welder is just another perfect option that you can consider for welding!

 

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Best Ac Welder Deals

Sunstac 250A AC/DC Aluminum TIG Welder with Pulse, 110V/220V Dual Voltage TIG Welding Machine with DC TIG/AC TIG/Pulse TIG/SPOT TIG/Stick

Image of Sunstac 250A AC/DC Aluminum TIG Welder with Pulse, 110V/220V Dual Voltage TIG Welding Machine with DC TIG/AC TIG/Pulse TIG/SPOT TIG/Stick

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Key Features

  • ✅ 【Born for Aluminum Welding】AC TIG mode is perfect for dealing with Aluminum and Aluminium alloy.
  • ✅ 【AC/DC Professional TIG Welder】SS-250P/ACDC TIG welder is capable of multiple functions: High-Frequency AC, High-Frequency DC, Pulsed AC, Pulsed DC, AC SPOT, DC SPOT and STICK. Up to 250A and dual Voltage 110/220V, meeting various of welding needs and conditions.
  • ✅ 【LCD Digital Screen】Sunstac AC/DC TIG welder offers all-new LCD screen (surpass old LED screen), much easier to access parameters including voltage, current and other settings. The digits are clearly visible on the screen even with your helmet on that enables you great efficiency and accuracy.
  • ✅ 【Smart TIG Welding Machine】Equipped to minimize material distortion from excessive heat input. Spot TIG welding is suitable for welds reinforcement; Pulse TIG allows for precise control, resulting in cleaner and more precise weldings. Built-in intelligent parameter saving function, allows you effortlessly restore your previous welding settings, namely, you can pick up right where you left off.
  • ✅ 【Aluminum TIG Welder】Capable of welding most metals including Aluminum, Alloy Steel, Copper, Stainless Steel, Carbon Steel and Iron, as well as precision welding of thinner materials. For Aluminum, the max welding thickness is 5/32"(4mm) @ 110V and 6/25"(6mm) @ 220V.

Product Details

Brand:Sunstac
Model:SS-250P/ACDC

ARCCAPTAIN TIG Welder AC/DC 200Amp with Pulse, Aluminum TIG Welder 110V/220V TIG Welder with Square/Triangular Wave/Stick/MMA/Spot 7 in 1 MultiProcess Welding Machine

Image of ARCCAPTAIN TIG Welder AC/DC 200Amp with Pulse, Aluminum TIG Welder 110V/220V TIG Welder with Square/Triangular Wave/Stick/MMA/Spot 7 in 1 MultiProcess Welding Machine

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Key Features

  • ✅ POWERFUL 7-IN-1 TIG WELDER AC/DC: The Welder is capable of welding with DC TIG / DC Pulse TIG / AC TIG / AC Pulse TIG / AC Pulse TIG Square / AC Pulse TIG Triangular / STICK /SPOT TIG Methods. AC TIG is used in finesse welding various aluminum alloys, magnesium alloys, and other non-ferrous metals. DC TIG provides low-temperature control. You need precise welding for various types of steel: stainless steel, carbon steel, copper.
  • ✅ LARGE LED DISPLAY AlUMINUM TIG WELDER : ARCCAPTAIN Tig welder can weld 0.5MM-5MM (1/5“-1.97”) aluminum and 0.5MM-10MM (1/5“-3.94”) metals. Enjoy enhanced visibility with the TIG200PACDC large LED screen, providing clear display of welding parameters, settings, this screen ensures effortless operation, providing precise control over your welds in any environment.
  • ✅ PULSE & SQUARE & TRIANGULAR WAVEFORM: The ac/dc TIG welder is equipped to prevent the burning of materials and minimize material distortion from excessive heat input, as well as the triangular wave reduces the heat input effectively, so the weld forms rapidly. It is easy for thin metal welding; Square Wave can switch the polarity quickly, dynamic arc for a stable weld pool, a strong ability to clean aluminum oxide film, so it provides more precise welding on aluminum or aluminum alloy.
  • ✅ DIGITAL WEDLING PARAMETER SET: MCU Digital control system makes this machine more reliable and stable. Parameters such as Pre-flow, Initial current,Up-slope, Peak current, Base current, Down-slope,Crater current, Post-flow, Pulse duty, AC frequency, AC balance, Pulse frequency,are easily adjustable,and 2T/4T/Spot welding TIG torch control and foot pedal remote control (not included) methods which improve good welding performance.
  • ✅ 5 YEARS QUALITY SERVICE : We have professional personnel who can provide you with answer. The user-friendly and simple interface enables the operators to set it up easily and efficiently, data and dynamic output current will be displayed immediately. Spike withstanding IGBT saves space and weight. It's only 12 kg(26.5lb) . No heavy carrying! Note: DON'T power on until the screen turns off and the fan stops working!

Product Details

Brand:ARCCAPTAIN
Model:ARCCAPTAIN TIG200PACDC
Size:TIG200P ACDC
Color:Red
Dimensions:N/A X N/A X N/A in

YESWELDER 200A AC/DC Aluminum Tig Welder with Pulse Large LED Display, Digital Inverter STICK/TIG 110/220V Dual Voltage TIG Welding Machine TIG-200P ACDC

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Key Features

  • ✅ Large LED Display: Features a large LED screen for enhanced visibility and a clear display of welding parameters and settings. Its intuitive interface ensures effortless operation, enabling precise welding of diverse metals
  • ✅ Easy to use: Easy Start with Hot Start ensures stable, spatter-free ignition and prevents sticking. Auto Memory function automatically saves your settings and recovers them after power-off.Weighing only 7.47kg(16.47lb), it's easy to carry and store, whether in the workshop or on the go
  • ✅ More Powerful: The TIG welder delivers up to 200 amps, meeting the needs of both hobbyists and professionals—sufficient for versatile DIY projects and extended professional use. It features auto-sensing dual voltage input (110V/220V) for plug-and-play operation in home outlets and workshops, with no manual switching. Equipped with High-Frequency non-touch arc starting (HF Start), it ensures reliable ignition and stable arc performance for consistent, high-quality welds, including on aluminum
  • ✅ 7-in-1 Exceptional Versatility: Combines MIX TIG, STICK, AC TIG, DC TIG, AC Pulse TIG, DC Pulse TIG, and Spot Welding in a single machine, this versatility allows you to weld various metals (steel, aluminum, stainless steel) to meet all your welding needs
  • ✅ ACDC Pulsed TIG Welder: Software-controlled Square Wave, Triangle Wave, Sine Wave AC/DC TIG inverter. AC mode is optimized for cleaner, easier aluminum welding, while DC mode handles steel and other metals. Features AC Pulse TIG and DC Pulse TIG for superior control and weld quality

Product Details

Brand:YESWELDER
Model:TIG-200P ACDC

HITBOX 200A AC/DC TIG Welder 6-in-1 with Pulse & Square Wave, HF Start Aluminum TIG, MMA/Stick Welding, 220V IGBT Inverter, Dual Cooling Fan, Digital Display, Foot Pedal Compatible (HBT250P)

Image of HITBOX 200A AC/DC TIG Welder 6-in-1 with Pulse & Square Wave, HF Start Aluminum TIG, MMA/Stick Welding, 220V IGBT Inverter, Dual Cooling Fan, Digital Display, Foot Pedal Compatible (HBT250P)

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Key Features

  • ✅ 6-IN-1 MULTIPROCESS WELDING:MMA, DC HF/Pulse TIG, AC HF/Pulse TIG, and AC Pulse TIG Square – perfect for aluminum, stainless steel, carbon steel, iron, copper, magnesium, and titanium alloys, delivering smooth, precise welds with minimal spatter and warping for both ferrous and non-ferrous metals
  • ✅ PULSE & SQUARE & HF START:Pulse and square waveforms stabilize the arc, control heat, and remove oxide films. HF STAR high-frequency start enables touch-free arc ignition for clean, smooth TIG welding on aluminum and stainless steel
  • ✅ AC TIG ALUMINUM WELDING CONTROL:Clean oxidation with AC frequency(40–200Hz) and square wave, prevent thin aluminum burn-through with pulse frequency( 0.5–200Hz) and base amps (5–95%), while ensuring crack-free arc termination with down slope (0–25s) and finish amps (10–200A) for precise, smooth, strong aluminum weld
  • ✅ 2T/4T & Remote Control:Choose between 2T/4T modes for continuous long seam welding or precise, short seam welding, which can reduce hand fatigue and increase the welding accuracy. For added convenience, it supports remote control with a foot pedal(not included), increased efficiency on the job site
  • ✅ USER-FRIENDLY AC/DC TIG WELDER:Easily adjust pre-flow, start/peak/base amps, up/down slope, pulse frequency, AC frequency & balance. Supports tungsten electrode diameters from 1.6–3.2 mm, compatible with common TIG setups for stable arc performance. AC TIG for aluminum alloys (0.5–5mm), DC TIG for steel, stainless steel, carbon steel & other metals (0.5–10mm)

Product Details

Brand:HITBOX
Model:HBT250P
Size:HBT250P

YESWELDER 135A MIG Welder, 110V Flux Core MIG/Lift TIG/Stick 3-in-1 Large LED Digital Display Welding Machine IGBT Inverter Welder

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Key Features

  • ✅ MULTI PROCESS: Experience the convenience of a high-quality, budget-friendly 3-in-1 welding machine that masterfully handles Gasless Flux Core MIG/Stick/Lift TIG(additional 10-25 lift TIG torch required). This unit caters to a wide range of welding applications and meets your various welding needs.
  • ✅ WELDING CAPACITY: With a robust 135 Amp output, this welder is capable of tackling mild steel workpieces up to 3/32 inch(2.5mm) thick. It is compatible with 2LB .030’’ and .035’’ welding wire. For Stick Welding, the Hot Start and Arc Force can be adjusted to enhance your welding experience.
  • ✅ SYNERGIC CONTROL: The wire feeding speed is flexibly adjustable (030": 120-420 in/min;.035'': 120-308 in/min). When adjusting the wire feeding speed, the voltage will be automatically matched to a recommended value, and you can fine tune the voltage between -3V~3V. Ideal for both beginners and seasoned professionals.
  • ✅ DIGITAL DISPLAY: The advanced digital display revolutionizes the welding interface, offering enhanced clarity and operational efficiency. Monitor the real-time current during welding for precise control.
  • ✅ LIGHT&PORTABLE: Weighing just 11.4 lbs, this lightweight and compact welder is a breeze to transport, making it the perfect companion for on-the-go welding projects with its carrying handle.

Product Details

Brand:YESWELDER
Model:1
Size:Average
Color:Black
Dimensions:17.4 X 13.74 X 7.56 inches

TOOLIOM 200A AC/DC TIG Welder with Pulse, Dual Voltage 110V/220V, Aluminum Welder with IGBT Inverter, Large LED Display, AC TIG/DC TIG/Pulse TIG/SPOT TIG/Stick Multiprocess Welding Machine

Image of TOOLIOM 200A AC/DC TIG Welder with Pulse, Dual Voltage 110V/220V, Aluminum Welder with IGBT Inverter, Large LED Display, AC TIG/DC TIG/Pulse TIG/SPOT TIG/Stick Multiprocess Welding Machine

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Key Features

  • ✅ 6-in-1 Welding Modes: The TOOLIOM TL-200TP ACDC PRO welder features six versatile welding modes: AC TIG, DC TIG, AC Pulsed TIG, DC Pulsed TIG, Stick, and TIG Spot Welding, making it suitable for a wide range of welding applications and conditions.
  • ✅ Foot Pedal Function: Compatible with a foot pedal (not included), this feature enables operators to start/stop the arc and adjust the welding current remotely, providing precise control to tailor the welding experience to your exact needs.
  • ✅ Large Digital Display Screen: The larger screen prominently displays key parameters such as mode, voltage, and current, providing a clear view of real-time data changes to monitor equipment status and make timely adjustments for improved operational efficiency.
  • ✅ Aluminum TIG Welder：Capable of welding most metals including Aluminum, Alloy Steel, Copper, Stainless Steel, Carbon Steel and Iron, as well as precision welding of thinner materials. For aluminum, the max welding thickness is 1/8"(3mm) @ 110V and 3/16"(5mm) @ 220V.
  • ✅ ACDC PULSED TIG WELDER: Software Controlled Square Wave AC/DC TIG inverter welder, it produces high performance with an array of pulse features, and its unique fish-scale waveform ensures excellent weld quality while enhancing the visual appeal of the welds.

Product Details

Brand:TOOLIOM
Model:TL-200TP ACDC Pro
Size:200A Aluminum ACDC TIG Welder
Dimensions:N/A X N/A X N/A in

AC/DC Aluminum Tig Welder with Pulse, 200 Amp 6 in 1 Welder 110V/220V Dual Voltage Welder with Digital IGBT Inverter Square/Triangular Wave/Stick/Tig/Spot MultiProcess TIG Welding Machine

Image of AC/DC Aluminum Tig Welder with Pulse, 200 Amp 6 in 1 Welder 110V/220V Dual Voltage Welder with Digital IGBT Inverter Square/Triangular Wave/Stick/Tig/Spot MultiProcess TIG Welding Machine

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Key Features

  • ✅ [6-in-1 Welding Modes]：200 Amp AC DC tig welder features six welding modes: MMA STICK, TIG, AC TIG, DC TIG, AC Pulse TIG, and DC Pulse TIG. Whether you require high-precision DC welding or AC pulse welding for complex workpieces, this welder is designed to meet your needs
  • ✅ [Large LCD Screen]： The aluminum tig welder is equipped with a large LCD screen, allowing you to adjust welding parameters with precision. You can accurately modify base current, peak current, arc start and end, pulse frequency, pulse width, and cleaning width to achieve optimal welding results
  • ✅ [ Multi-Functional Welding]： AC DC 200 Amp aluminum welding machine includes an efficient cooling fan to maintain stable output during long welding sessions without the risk of overheating. It offers a 2T/4T switching/pulse function, adjustable pulse duty cycle and frequency, adjustable fall time, VRD safety protection, box welding/anti-stick function, and an automatic current detection and cut-off feature
  • ✅ [Stable Arc Performance]：The RUBIK tig welder produces a stronger, more focused, and stable welding arc, ensuring smooth, consistent, and dependable results on various materials. This advanced welder operates on both 110V and 220V power, enhancing your welding capabilities and opening up new possibilities for our projects.
  • ✅ [Advanced Inverter Technology]： Utilizing the latest full-bridge soft-switching inverter technology, this 200 Amp AC DC tig welder significantly improves efficiency compared to traditional welding equipment. Additionally, it is compact and lightweight, weighing only 7.4 kg (16.28 pounds), making it easy to carry and store, whether in a workshop or on the go

Product Details

Brand:RUBIK
Model:ACDC200
Size:Large
Color:Orange+black
Dimensions:16.16 X 7.07 X 9.43 Inches

AIXZGLOBAL AIT200P AC/DC TIG Welder, 200A 110V/220V Aluminum Welding Machine with AC/DC TIG, Pulse TIG, Spot TIG, HF Start & Stick Welding, Foot Pedal Compatible, IGBT Inverter, Large HD Display

Image of AIXZGLOBAL AIT200P AC/DC TIG Welder, 200A 110V/220V Aluminum Welding Machine with AC/DC TIG, Pulse TIG, Spot TIG, HF Start & Stick Welding, Foot Pedal Compatible, IGBT Inverter, Large HD Display

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Key Features

  • ✅ Multifunction AC/DC TIG Welder - The AIT200P AC/DC TIG welder supports multiple welding modes, including High-Frequency AC/DC TIG, Pulsed AC/DC TIG, AC/DC Spot TIG, and Stick welding. With up to 200A output and dual-voltage 110V/220V capability, it can weld a wide variety of metals such as aluminum, stainless steel, carbon steel, iron, copper, and aluminum alloys
  • ✅ Easy Aluminum Welding - The AC welding mode makes aluminum welding simple and efficient, comparable to welding mild steel or stainless steel. Fully adjustable settings let you customize welding performance, including switching between sine wave and square wave output to control arc characteristics, bead appearance, and penetration. Supports aluminum thicknesses from 1/32"–15/64" on 110V and up to 3/8" on 220V
  • ✅ High-Frequency TIG Start - High-frequency arc ignition enables non-contact starts, helping reduce tungsten contamination and weld defects. The machine supports a complete TIG welding cycle with adjustable pre-flow, post-flow, and up/down slope controls for accurate heat management and smoother weld quality
  • ✅ Pulse TIG Performance - Pulse TIG mode reduces heat input while maintaining strong penetration. By alternating between peak and base current, it provides better heat control, minimizes distortion, and delivers a focused, stable arc—ideal for thin materials and out-of-position welding
  • ✅ Advanced Stick Welding Features - Designed for reliable stick welding with: Hot Start for easier arc ignition; Arc Force for improved arc stability and penetration; Anti-Stick to prevent electrode sticking and reduce interruptions.These functions help ensure smoother operation and consistent welding performance

Product Details

Brand:AIXZGLOBAL
Model:ATP200P ACDC
Size:200A TIG Welder ACDC
Dimensions:16.929133841 X 7.086614166 X 12.598425184 Inches

ARCCAPTAIN 165A MIG Welder 110V/220V [Large LED Display] 4 in 1 Gasless/Gas MIG/Lift TIG/Stick Welding Machine Multiprocess Welder Machine, IGBT Inverter Welder with Synergy, 2T/4T

Image of ARCCAPTAIN 165A MIG Welder 110V/220V [Large LED Display] 4 in 1 Gasless/Gas MIG/Lift TIG/Stick Welding Machine Multiprocess Welder Machine, IGBT Inverter Welder with Synergy, 2T/4T

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Key Features

  • ✅ 4-IN-1 MIG Welder: The welder machine offers GAS MIG/Flux Core MIG/Lift TIG/ MMA welding modes (Note: WP-17V TIG torch must be purchased separately). It can easily handle welding stainless steel, carbon steel, and even thicker steel materials, meeting diverse welding requirements.
  • ✅ TECHNICAL UPGRADE: This welding machine features upgraded MCU and IGBT technologies, enabling users to precisely adjust parameters for Synergy MIG (plate thickness, voltage, welding speed), Manual MIG (current, voltage), and MMA (hot start, arc force, etc.) while its dual-voltage design (110V/220V) supports flexible power switching (Caution: Ensure the screen is off and the fan has stopped before changing voltage settings).
  • ✅ LARGE LED DISPLAY: With an exclusive human-computer interaction LED screen design, this welder provides accurate data display, allowing you to read it more easily and clearly without removing your helmet. This welder also has 2T/4T functions, which can seamlessly switch between continuous welding (4T) for long-term operations and trigger-controlled precision welding (2T) for fine operations, improving efficiency and flexibility.
  • ✅ HIGH PERFORMANCE: The output current up to 165A, rated duty cycle: 60%, equipped with an upgraded cooling fan, the heat dissipation performance is improved by 30%, and can easily complete various welding tasks. This welder is capable of tackling mild steel workpieces up to 3/16” thick.
  • ✅ SAFETY PROTECTION: The 165A MIG welder Built-in over-current protection, over-load protection, overheating, and over-voltage function that extend the lifespan of the machine.

Product Details

Brand:ARCCAPTAIN
Model:MIG165
Color:Red+black
Dimensions:14.9 X 5.3 X 9.7 Inches

YESWELDER 205A MIG Welder, 110V/220V Dual Voltage, 5 in 1 Gas MIG/Flux Core MIG/Spool Gun MIG/Lift TIG/Stick Multiprocess LED Digital Display Aluminum MIG Welding Machine MIG-205DS PRO

Image of YESWELDER 205A MIG Welder, 110V/220V Dual Voltage, 5 in 1 Gas MIG/Flux Core MIG/Spool Gun MIG/Lift TIG/Stick Multiprocess LED Digital Display Aluminum MIG Welding Machine MIG-205DS PRO

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Key Features

  • ✅ 5 IN 1 MULTIFUNCTIONAL: The MIG-205DS PRO is capable of Gas MIG/Flux Core MIG/Spool Gun Aluminum MIG/Lift TIG/Stick. (additional lift TIG torch required and spool gun required). This unit caters to a wide range of welding applications and meets your various welding needs.
  • ✅ WELDING CAPACITY: With a robust 200 Amp output, 110V/220V dual voltage, this welder is in possession of reliable quality and stable performance. It's widely used in various scenarios, including automotive, construction, fabrication and DIY. It's suitable for welding thin and thick materials, such as steel, aluminum, and stainless steel.
  • ✅ SYNERGIC&MANUAL MIG: The wire feeding speed is flexibly adjustable(Min:58 in/min; Max:858 in/min), when adjusting the wire feeding speed, the voltage will be automatically matched to a recommended value, and you can fine tune the voltage between -3V~3V. Great choice for beginners. You can also manually adjust the wire feeding speed and voltage according to your preferences, which is ideal for seasoned professionals.
  • ✅ DIGITAL DISPLAY: The advanced digital display revolutionizes the welding interface, offering enhanced clarity and operational efficiency. Monitor the real-time current during welding for precise control.
  • ✅ SAFETY PRIORITIZED: Our product features comprehensive safeguards, including automatic compensation for voltage fluctuation, robust protections against over-current, over-load, and over-heating, ensuring unparalleled user safety and device longevity.

Product Details

Brand:YESWELDER
Model:MIG-205DS
Size:‎20 x 16 x 14 inches
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