FAQ
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Why is hydrogen a concern in welding?
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What electrode can I use to join mild steel to stainless steel?
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What consumable should be used to weld cast iron?
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What consumables are better for welding over rusty, dirty steel?
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Why are the Charpy impact values from my test welds lower than that printed on your Certificate of Conformance?
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Why is preheat sometimes required before welding?
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What is interpass temperature?
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Is MIG welding a low Hydrogen process?
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Does it really matter if we use 1.0mm or 1.2mm diameter, there is hardly any difference ?
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Is the specification EN440:G3Si1 the same as the the old SG3 specification?
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What length of 6mm leg length fillet will I get from an 18Kg spool of Supramig?
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Which wire is best for butt welds, Supramig or Supramig Ultra?
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Does Carbon Dioxide shielding gas give a colder weld and less penetration?
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All mild steel MIG welding wire is the same, the only difference is the price !!
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How do I weld 7075?
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Why is my aluminium weld much weaker than the parent material?
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What type of shielding gas should I use for aluminium welding?
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For GTAW, what type of electrode is best for aluminium?
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How much preheat should I use when welding aluminium?
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What is the proper stress relieving practice for aluminium welds?
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How can I tell different aluminium alloys apart?
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How do I GTAW weld two dissimilar thicknesses of aluminium?
