CO2 is one of the most commonly used reactive gases in TIG, MIG and MAG welding. It’s the least expensive of the shielding gases and can be used in its pure form without an inert gas. Argon is another commonly used shielding gas that produces a narrower penetration profile, which offers a clean, small and robust joint weld. The combination of argon and CO2 provides both an inexpensive, accurate and clean weld. Here are some other gases that are effective in argon and CO2 argon mixtures.
Helium– Helium is a shielding gas used in MAG, TIG and MIG welding. It’s commonly utilized for copper, aluminum, high-alloy austenitic steels and non-austenitic steels.
Hydrogen– Hydrogen is a root shielding gas that can be used as a combustion gas and carrier gas, depending on the application. It is also used in mechanized and automated MAG and TIG welding of high-alloy steel and Cr-Ni-Mo Austenitic stainless steel.
Nitrogen– Nitrogen gas, often mixed with hydrogen, is used as a root shielding gas for austenitic stainless steels, high-alloy steels, low alloy steels and non-alloy steels.
Oxygen– Oxygen is a shielding gas used in aluminum, mild carbon, low alloy and stainless steel MAG and TIG welding. It is a reactive gas that is used in concentrations of nine percent or less. This improves the penetration, arc stability and weld pool fluidity.
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JosefGas has more than four decades experience providing welding mixturesfor all types of welding applications. With our own fleet of delivery trucks, we provide our customers with delivery services, customer service and the highest grade gases in the industry. Call us today at 416-658-1212 to learn how JosefGas can supply your company with just the right gas for your application. Bene