Re: Hi Temp damage
i've had blocks spray welded at crow cast welding and he bakes them in an oven to 700 degrees to start welding. its on a cart on rails going into the oven. the area that is being repaired is hotter due to the weld, and the iron will move in that area and need machining. the rest of the block doesnt change. red heat is about 1500, aluminum melts at about 1200
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