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Category: Arc Welding

Stick Welders

Friday, 22nd May 2020

Stick Welders come in two basic types, Transformer or Inverter. Transformer Stick Welders Whilst not always the case, the vast majority of Transformer Stick Welders have a moving shunt Transformer, meaning you wind a big knob on the front of the machine to adjust power output. The advantage of a Transformer is they’re cheap. Sadly, […]

How Many Welding Rods are in a Box

Thursday, 4th March 2021

I get asked “how many welding rods are in a box”, a lot! So I guessed it was about time I published some figures! There are some variables when it comes to how many welding rods are in a box. The length of the welding rod is the biggest variable. Smaller diameter welding rods, eg […]

How Many Amps for Stick Welding

Friday, 12th March 2021

How Many Amps for Stick Welding, like a lot of things in Welding, is not a precise science because it depends on a number of variables: Type of Metal Metal Thickness Type of Joint Joint Preparation Welding Rods Diameter To some extent, the size of the object being welded To some extent, the ambient temperature […]

Welding Cast Iron

Thursday, 19th March 2020

Welding Cast Iron has quite a few potential pitfalls, but if done correctly, it’s not difficult. Why is Welding Cast Iron problematic The key reason why welding cast iron can be problematic is the high carbon content.  During the welding process, this carbon migrates into the weld metal and/or the heat affected zone adjacent to […]

Weld Preparation

Monday, 24th August 2020

For most things in Life, preparation is important, Weld Preparation is no exception. There are some fairly obvious weld preparations Make sure the metal to be welded is free from grease or paint. Make sure the metal to be welded is free from rust or other corrosion. Try to place your Work Return (Earth) Clamp […]