Structural aluminum is usually welded with 5356. Cast aluminum is usually welded with 4043. For non critical applications these two wires are often interchangeable. There are some other less popular grades of welding wire for specific applications but if you can't decide between 4043 and 5356, get some of the new Maxal 4943 wire. It's the cat's azz according to a guy I know who specializes in aluminum welding. Wets out better than 4043 and basically welds like 4043 with the higher strength of 5356. Check the specs. to see if it is recommended for 5000 series aluminum.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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