Pulse TIG settings can be very beneficial but are not always needed
A big part of tig welding stainless steel is heat control.
Sometimes pulse settings can help prevent excessive build up of heat.
WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING,
METAL TYPE = 304L STAINLESS STEEL
THICKNESS = .125” PLATE TO TUBE
WELD TYPE = FILLET
JOINT TYPE = TUBE TO PLATE
POSITION = 2F
AMPERAGE = 150 AMPS.
TUNGSTEN = 2% LANTHANATED, 3/32"
FILLER WIRE = 3/32” ER308L
POLARITY = DCEN
GAS FLOW = 20CFH argon
CUP SIZE = 8
ADDITIONAL SETTINGS = PULSE SETTINGS 1PPS, BACKGROUND CURRENT 20%, PULSE ON TIME 50%
PRE FLOW = .2 SEC
POST FLOW = 11 SEC
TIPS: GET THE PUDDLE MOVING WITHIN 3 SECONDS to avoid heat buildup
Aim for an arc length that is equal or less than the diameter of your tungsten electrode.Torch angle can be forgiving provided your arc length is tight.