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Welders

(13 products)

Achieve strong, precise welds for all your professional projects in Canada. Our complete range of MIG, TIG, arc, and multiprocess welders offers capacities from 110V to 220V with amperages from 90A to 250A, suitable for both light and heavy-duty applications. Compatible with steel, aluminum, and stainless steel up to 12mm thick. Stock available, technical expertise, and free shipping on orders of $150 or more.

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A complete guide to choosing your professional welders

Types of Welding Machines Available

Our catalog includes four main categories of welders suitable for different professional needs. MIG welders use a continuous wire electrode and a shielding gas, ideal for quickly welding steel, stainless steel, and aluminum of various thicknesses.

TIG welders offer exceptional precision thanks to a non-consumable tungsten electrode, perfect for aesthetic welds on thin metals and delicate alloys. Shielded Metal Arc Welding (SMAW) welders operate with coated electrodes, robust and versatile for outdoor work and difficult construction sites.

Finally, multi-process welders combine several technologies in a single device, offering maximum flexibility for professional workshops requiring different welding methods depending on the projects.

Electrical Capacities and Amperage

The choice between a 110V or 220V welder depends on your power needs and electrical setup. 110V models, which run on a standard household outlet, are suitable for light to medium-duty jobs with amperages from 90A to 140A, allowing you to weld metals up to 6mm thick.

Professional 220V welders deliver 140A to 250A and more, essential for welding thick structural steel up to 12mm and for intensive industrial applications requiring deep penetration and sustained output. The amperage directly determines the maximum weldable metal thickness: allow approximately 40A per millimeter of steel thickness.

A 200A welder can comfortably join 5mm thick steel parts, while a 90A model is limited to a maximum thickness of 2-3mm.

Compatible Materials and Applications

Each type of welding machine excels with specific materials depending on your industry. Carbon steel, the most common material in metal construction, can be welded effectively with all MIG, TIG, and stick technologies.

Stainless steel, used in food, medical, and decorative applications, requires a TIG approach to preserve its appearance or MIG with specific gas for rapid production. Aluminum, lightweight and corrosion-resistant, exclusively requires a specialized TIG or MIG welder with AC capability and aluminum filler wire.

Special alloys such as copper, bronze, and galvanized metals generally require a TIG welder for precise heat control. Our multi-process welders offer the versatility needed for workshops regularly working with multiple types of metals and varying thicknesses.

Work Environments and Portability

Your operating environment directly influences the choice of your welding equipment. For fixed workshops with stable electricity, opt for 220V welders on wheels offering maximum power and comfort for prolonged use. Construction sites require robust portable models, ideally generator-powered, with protection against dust and impacts.

Work at height on metal structures demands compact welders under 15kg that can be carried in a harness or mounted on scaffolding. Mobile repair and maintenance interventions benefit from lightweight inverter welders operating on 110V, easily transportable between different sites.

Also consider the duty cycle: a manufacturing workshop requires a minimum of 60% for continuous production, while 35-40% is sufficient for occasional repairs and residential projects.

Advanced Technologies and Features

Modern welding machines incorporate technologies that facilitate learning and improve weld quality. Inverter technology transforms electric current to reduce weight and consumption while increasing arc stability, which is particularly advantageous for generators and sites with fluctuating power supplies.

Synergic control automatically adjusts all parameters according to the type of metal, its thickness, and the chosen wire, significantly simplifying setup for less experienced operators. Digital screens allow for precise adjustments and the memorization of configurations for various recurring projects. Arc starting functions facilitate arc initiation, reducing initial misfires and spatter.

Some models offer current pulsing to better control heat on thin metals and reduce deformation, as well as double-pulsed welding for aluminum, which creates the characteristic scaly appearance desired in decorative applications.
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Frequently Asked Questions about Welders

Which welder should I choose for metal construction work in Canada?

For professional metal construction in Canada, choose a 220V MIG welder with 180A to 250A amperage capable of welding structural steel up to 10-12mm thickness.

Models with inverter technology offer better arc stability in Quebec's cold temperatures.

For job sites without reliable electrical access, opt for a welder compatible with portable generators having a duty cycle of at least 60% for continuous production.

How many amps are needed to weld steel of different thicknesses ?

The general rule is approximately 40 amps per millimeter of steel thickness to weld. For 3mm steel, plan for 120A minimum; for 6mm, aim for 200-240A; and for 10mm, choose 250A and above.

These values apply to MIG and arc welding. TIG welding generally requires 10-20% less amperage thanks to its superior heat concentration and more precise penetration control.

Is a 110V welder sufficient for industrial projects ?

110V welders are mainly suitable for light repairs, maintenance and fabrication of thin parts up to 6mm thickness.

For industrial projects involving structural assemblies, series production or thick steel welding, a 220V welder becomes essential.

It provides the high amperage (180-250A) necessary for deep penetration, increased welding speed and sufficient duty cycle for continuous work without overheating.

What is the difference between a MIG and TIG welder for my needs?

A MIG welder uses a continuously fed wire electrode, allowing fast welding on large surfaces with one hand, ideal for production and thick steel.

A TIG welder uses a fixed tungsten electrode requiring manual addition of filler metal, offering precise control perfect for aesthetic welds, thin metals (under 3mm), aluminum and stainless steel.

Choose MIG for speed and ease, TIG for precision and visual quality.

Where can I buy a professional welder with fast delivery in Canada?

Équipement Industriel Polar offers a wide selection of professional MIG, TIG, arc and multiprocess welders with stock available in Quebec.

We provide free shipping for orders over $150 (40 lbs and under) throughout the province.

Our team of experts provides free advice to help you select equipment suited to your projects. Contact us at 1-800-567-3206 or visit our warehouse at 3425 Boulevard Wilfrid-Hamel, Quebec.

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