Pulsed TIG for Stainless Steel

Stainless steel has a low rate of thermal conductivity which causes the heat input to be localized. This localization of heating or cooling leads to distortion. The materials also undergo corrosion thanks to the localized excess heat. Experienced TIG welders know that stainless steel wraps if you do not weld it carefully with immense concentration.

Stainless steel comes in several grades for various different applications and while welding them most welders face common challenges. They are to minimize heat input while creating a good fusion between materials used and optimizing the bead profile. An expert welder can control the bead characteristics by adjusting the arc length, filler metal addition and amperage through remote control or manual control.

Pulsed TIG allows the welder to accomplish the following mentioned below which has revolutionized the art of welding and its output.

•    Increased narrow bead width to 52%
•    Increased penetration by 34%
•    Reduced the heat input 60% lesser than original
•    Increased welding speed by 35%
•    Produced better quality welds

The 300 series of stainless steel are the most popular for several pipe and tube manufacturing. It also accounts to about 70% of stainless steel applications. Pulsated TIG setup has mended the obstacles faced during welding the 300 series and provided the above results precisely and stood out brilliant when compared to the traditional welding techniques.


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