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Recently I came across a little "portable gas forge" on Ebay for $200 and I may add that its the best working little forge. however I recently had a bit of an issue, I wasnt paying attention to my temperature and managed to melt through the ceramic blanket insulation, the firebrick shelf, and the bricks I put on the back of it, as well as several pieces I was attempting to work on. so my question is this, where is it possible to get insulation over 3000 degrees, why do people think its impossible to forge weld with gas, and how do people figure a gas forge will "Make the iron wither away instead of totally melt like a coal forge would do". It took no longer than 2 minutes to end up with a puddle of knife (keeping in mind I was using old lawn mower blades, forge welding them into solid billets and drawing them out) Can someone at least suggest how to better control the little monster? Its maximum PSI capacity is 30, I was operating under that and burnt the forge up (burner is still good!) I have a few pictures below to justify what I just said, the picture of the forge was AFTER I pulled the burnt insulation out just to show how little the thing is, the melted knife, and the insulation, brick, and shelf, as well as a picture of it lit that I took in bright light, with my cellphone