All suggested settings are approximate. Settings are for manual, not automated, welding. Inverter-based welders generally require less heat input (lower amps) Welds should be tested to comply to your specifications.
Tungsten Electrode Diameter:
Torch Cup Orifice Diameter:
Use ceramic cup when welding with less than 250 amps. Use water-cooled torch when welding with more than 200 amps.
Filler Metal Diameter:
Gas Flow Rate:
AC TIG is generally used to weld aluminum and magnesium materials. For the best appearance, highest quality and leak free welds on aluminum, AC TIG welding is the process of choice. The primary gas used is argon and in some applications on thick aluminum when additional penetration is needed an argon/helium mixture or pure helium is used. TIG welding offers the user the greatest amount of flexibility to weld the widest range of material and thickness. AC TIG welding is also the cleanest weld with no sparks or spatter.
DC TIG is generally used to weld exotic material like stainless steel, nickel alloys, copper, titanium and critical welds that must be flawless such as aircraft engine parts. The primary gas used is argon and in some applications an argon/helium mixture or pure helium is used. TIG welding offers the user the greatest amount of flexibility to weld the widest range of material and thickness and types. DC TIG welding is also the cleanest weld with no sparks or spatter.
Information About Default Weld Parameters and Settings
NOTICE - Each welding application is unique. Although certain Miller Electric products are designed to determine and default to certain typical welding parameters and settings based upon specific and relatively limited application variables input by the end user, such default settings are for reference purposes only; and final weld results can be affected by other variables and application-specific circumstances. The appropriateness of all parameters and settings should be evaluated and modified by the end user as necessary based upon application-specific requirements. The end user is solely responsible for selection and coordination of appropriate equipment, adoption and adjustment of default weld parameters and settings, and ultimate quality and durability of all resultant welds. Miller Electric expressly disclaims any and all implied warranties including any implied warranty of fitness for a particular purpose.
1. What metal are you welding?
2. How thick is the metal & what type of weld are you making?