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Category: General Technical Information

What does Duty Cycle mean in Welding

Thursday, 17th May 2018

This is a common question.  Essentially, Duty Cycle is a measure of how long a welder will operate for before it overheats and cuts out. If you’re more of a Watcher than a Reader, you may prefer a Video Explanation There are 3 key bits of data to Duty Cycle figures: Amps, a Percentage Figure […]

Oxy Acetylene Flame

Tuesday, 24th April 2018

An Oxy Acetylene Flame will fall loosely into one of three types: Neutral, Oxidising and Carburising Neutral Oxy Acetylene Flame A Neutral flame is achieved when there are equal amounts of Oxygen and Acetylene. A Neutral Flame is so named because it has no chemical effect on the molten metal. Key characteristics of a Neutral […]

Silver Solder & Braze

Wednesday, 18th April 2018

Silver Solder & Braze are both products used with either an Oxy Acetylene Torch or Oxy Propane Torch. Silver Solder & Braze, what’s the difference? For me, the key difference is how they work on the joint. Silver Solder Silver Solder is more fluid than Braze and works by being drawn into the joint by […]

Propane

Friday, 6th April 2018

Is Propane any good? YES! It’s a great gas! It’s versatile Can be used with or without Oxygen (with correct Torch) It’s cheap, compared to Acetylene It’s readily available It’s available without Cylinder Rental The only real downside to Propane is that you can’t weld with it. Pretty much everything else can be done. With […]

Welding Cast Iron

Friday, 16th March 2018

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 […]