I have welded a lot of truck frames and never had one crack either,but I have had welds made with 7018 crack on other stuff.7018 is the right rod for truck frames.On other stuff like high carbon steel used in newer cars and farm machinery it will crack.Also on newer trailers like steel hopper bottoms and stuff like that,it will crack.Not always,but sometimes.When it does if you V it and weld it again it probably will last.That brittle steel is harder to weld with 7018.I think 6011 might work better on that stuff if done right,but it can crack too. Even heat treated truck frame is weldable with 7018,and it can and does crack,because I drove a truck that had the frame crack where it was welded,but I didnt weld it,it came that way bought used.It was fixed by an Army welder and he used 7018 and the truck is still being used by a farmer around here.
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Today's Featured Article - Talk of the Town: How to Remove a Broken Bolt - by Staff. Another neat discussion from the Tractor Talk Discussion Forum. The discussion started out with the following post: "I have an aluminum steering gear housing with a bolt broken off in it. The bolt is about a 3/8" x 1 1/2" bolt. I've already drilled the center of the bolt out with about 7/64" drill bit the entire length of the bolt. Only one end of the bolt is visible. I tried to use an easy out but it wasn't budging and I didn't want t
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