advice about my tig welding

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hi. What do you think about my tig welding? any adivice will help me,    i am  self-taught. it is a little shakey, but it is very cold in my shop.. 5 mm steel , about 100 amps.
Reply:
Reply:Steffen,Your weld looks OK.  More and more practice will give you more consistency and control over the width of the puddle; the size and spacing of the weld bead ripples.One suggestion I would make is to do a very thorough job of cleaning the metal in the area you're welding.  TIG has a limited capability to deal with contaminants and oxides from the metal surface.  I recommend grinding the weld area and 2cm on either side back to bright clean metal before welding.  A quick wipe with alcohol or acetone never hurts either.  Cleanliness for aluminum welding is even more critical.  Keep that in mind if you every decide to experiment with welding aluminum.Benson's Mobile Welding - Dayton, OH metro area - AWS Certified Welding Inspector
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