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Old 05-15-2001, 01:04 PM
Deere John Deere John is offline
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Join Date: Apr 2000
Location: Northern Ontario, Canada
Posts: 327
Welding Cast Iron

I tie my dog to the cast iron bench in front of the house. While back blading from the house this winter, (dog in house), I dropped the blade on the rope and proceeded to yank the leg right off the bench

How difficult is cast iron to repair?
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  #2  
Old 05-15-2001, 02:29 PM
Alan Alan is offline
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Join Date: Mar 2000
Location: NW Vermont (Milton)
Posts: 1,185
Cast can be hell, but in this case it really should not be too bad. Vee it out good, warm it up first, if you can, and, in my opinion, use a high quality electrode. MG Alloys and Euctectic both make premium electrodes that work far easier and better than the generic "Ni-Rod". You may get some severe porosity on the first try, grind it out and weld it again. Cast is notorious for containing impurities that boil out of the base metal when you weld on it. About all you can do is grind out any bad stuff that appears and try again until you get it to stop cooking out.
 

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