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Hi Vince, Hard to expand on what Tony said. I would use a 22.5� bevel with a 3/32" root opening and a 3/32" land. You need the root opening to allow for weld shrinkage in the plates. Preclean the base metal to "white" metal 1" of center line front and back. I would use two stiffener bars, 1/4" x 2" FB/AI would work, tack welded to the edges of the plates, angle iron probablly would work best. This will help keep the plates straight while welding. When the root weld is completed with two additional passes then grind out the back of the weld joint to sound metal making sure you remove any entraped slag, then weld, then let the plates cool until warm then finish the front weld joint. When you grind out the root weld on the backside, don"t worry about grinding past the AI stiffener, just grind to what you can easy get too then when finished welding let cool to about 500� (a lead wheel weight melts at 500�), knock off stiffeners then finsh welding the backside ends, then quench in cold water (adds temper). T_Bone
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