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 - What Price Enthusiasm? - by Anthony West. Quite frankly, for some time now restorers like myself have become more and more concerned about the rapid increase in the prices of old farm machines here in England. There is now a growing market for "As found" machines. Which as machines get rarer, has found the birth of a new industry....one of the "procurement agent". These agents appropriate as much old machinery as possible then inflate prices at auctions. So at what price enthiusiasm? We are now seeing poor machines which 3 years ago ma
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