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Re:445 lift arm

R

rrman61

Well-known Member
Welded together my broken lift arm with 7018 rods as barnyard engineer suggested then put it in the oven at 200 degrees and let cool slowly.used it today for 2 hrs so far so good
 
7018 is real likely to have worked well. 200 degrees C might work to normalize the heat affected zone, but 200F was just a nice day in the sun. Best of luck. Lower critical temp likely to be 800 F to change properties, Dark Grey in the chart. I require my students to temper and normalize medium carbon steel every semester. Jim
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