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TIG Welder & AC/DC TIG Welder Suppliers
Updated Feb 13, 2025
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A tungsten inert gas (TIG) welding machine is used to create fixed rigid metal joints. The process involves temporarily melting two pieces of metal that are in close proximity together and fusing them upon cooling. Industry professionals use different welding techniques depending on the desired production specifications and materials involved in the project. However, TIG welding is known to produce the strongest and most precise welds compared to all other welding types.
TIG welding differs from metal inert gas (MIG) and stick welding as it does not require consumable filler materials such as wire and rod to be performed. Instead, TIG welding machines use a non-consumable welding electrode with an extremely high melting point, far greater than the workpiece, to generate sufficient heat resulting in molten metal. This technique of welding has the versatility to weld thicker workpieces and a greater range of metal types (including aluminium) that other types of welding are not.
TIG welding machines are made of strong, impact proof material making them suitable for most work environments. Features include a foot pedal or thumb wheel to control the amount of heat produced by the welding torch, a thermostat controlled fan to regulate machine temperature and a removable steel mesh dust filter.
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Weldclass | Welding Supplies
We're an Australian company, 100% owned in Australia, run by Australian people. Weldclass products are developed for Australian welders and metal fabricators and are sold through our network of over 1,000 distributors across Australia and the south Pacific region. We offer market-leading products and reliable supply with a focus on simplicity, great presentation, and a ...
We're an Australian company, 100% owned in Australia, run by Australian people. Weldclass products are developed for Australian welders and metal fabricators and are sold through our network of over 1,000 distributors across Australia and the south Pacific region. We offer market-leading products and reliable supply with a focus on simplicity, great presentation, and a ...
TIG Welder
TIG Welder
What is a TIG welder and how does it work?
A Tungsten Inert Gas (TIG) welder is a type of welding equipment used to join metals together. It uses a non-consumable tungsten electrode to create an arc that melts the base metal and a filler rod to fill in the gap between the two pieces being joined. The process is called TIG because it uses an inert gas like argon or helium to protect the weld from contamination. TIG welding produces high-quality, precise welds and is commonly used in the aerospace, automotive, and manufacturing industries.
What are the key features to look for when buying a TIG welder?
A TIG welder is an essential tool for welding, especially for metals such as aluminum, stainless steel, and copper. Here are some key features to look for when buying a TIG welder:
- Amperage range: The amperage range of the TIG welder is an important consideration. The amperage range determines the thickness of the metal that can be welded. A TIG welder with a wider amperage range will be more versatile.
- AC/DC functionality: TIG welders can be either AC or DC, or both. AC is used for welding aluminum, while DC is used for welding steel and other metals. A TIG welder with both AC and DC functionality will be more versatile.
- Duty cycle: The duty cycle is the amount of time the TIG welder can be used before it needs to cool down. A higher duty cycle means the TIG welder can be used for longer periods without overheating.
- Foot pedal: A foot pedal allows the welder to control the amperage while welding. This feature is important for precise control and can make a significant difference in the quality of the weld.
- Pulse and frequency control: Pulse and frequency control allows the welder to adjust the arc length and heat input, which is important for welding thin metals.
- Portability: Portability is important if you need to move the TIG welder from one location to another. Some TIG welders are more compact and lightweight than others.
- Price: The price of a TIG welder can vary greatly depending on the features and quality. It is important to set a budget and look for a TIG welder that meets your needs within that budget.
What type of power source is needed for a TIG welder?
Requires either AC or DC power source depending on the type of metal being welded. DC power source is suitable for welding steel, while AC power source is required for welding aluminum and magnesium. The power source should also have a stable voltage and current output to ensure consistent and high-quality welds. The recommended power source for TIG welding is a dedicated TIG welding machine that can provide the necessary power and control for the welding process.
What materials can be welded using a TIG welder?
Can be used to weld a wide range of materials including various metals such as steel, stainless steel, aluminum, copper, brass, nickel alloys, and titanium. TIG welding is particularly useful for welding thin materials and for producing high-quality, precision welds. It is commonly used in industries such as aerospace, automotive, and electronics.
What is the maximum thickness of metal that can be welded using a TIG welder?
The maximum thickness of metal that can be welded using a TIG welder depends on the amperage capacity of the machine, the type of tungsten electrode used, and the welding technique employed. In general, TIG welding is suitable for welding metals up to a thickness of 5/16 inch (9 mm) or less. 4 mm) or more. It is important to note that thicker metals require more heat input and may require preheating or post-weld heat treatment to prevent distortion or cracking.
What are the safety precautions that need to be taken when using a TIG welder?
But for the information, here are the safety precautions that need to be taken when using a TIG welder:
- Wear protective clothing and gear, such as a welding helmet, gloves, and a jacket made from flame-resistant materials.
- Ensure that the work area is well-ventilated to avoid inhaling toxic fumes.
- Keep a fire extinguisher nearby in case of any accidents or emergencies.
- Inspect the TIG welder and all its components, including cables and hoses, for any damage or wear.
- Ensure that the TIG welder is grounded properly to prevent electrical shock.
- Avoid touching the electrode or metal parts of the TIG welder with bare hands while it is in use.
- Always switch off the TIG welder and disconnect it from the power source when not in use.
- Do not weld on containers that previously held flammable liquids or gases.
- Keep a first aid kit nearby in case of any injuries.
Can a TIG welder be used for both amateur and professional welding projects?
Yes, a TIG welder can be used for both amateur and professional welding projects. TIG welding is a versatile and precise welding technique that can be used for a variety of materials, including stainless steel, aluminum, and copper. It requires skill and practice to master, but once learned, it can produce high-quality welds that are aesthetically pleasing and structurally sound. TIG welding is commonly used in industries such as aerospace, automotive, and manufacturing, but it can also be used by hobbyists and DIY enthusiasts for projects such as custom bike frames, metal sculptures, and automotive repairs.
What is the price range for a good-quality TIG welder in Australia?
Generally, a basic TIG welder may cost around AUD $500 to $1000, while more advanced models can range from AUD $1000 to $5000 or more. It is recommended to compare prices and features before making a purchase to ensure you get the best value for your money.
Are there any warranties or guarantees offered by TIG welder manufacturers in Australia?
Manufacturers in Australia may offer warranties or guarantees on their products, but the specifics may vary depending on the brand and model. It is important to check the manufacturer's website or contact their customer service to determine the warranty or guarantee offered. Some common warranties may include a limited warranty on parts and labor, while guarantees may include a satisfaction guarantee or a money-back guarantee. It is important to read the terms and conditions of the warranty or guarantee carefully before making a purchase.
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TIG Welder Costs and Supplier Insights
The listed price of a TIG Welder for sale ranges from $500 to $5,000, averaging $2,750.
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