Super Alloy 1 contains cadmium. James C. From Maryland sent us a video of him and his friend Joe using muggyweld.com's Super Alloy 1 pot metal/zinc diecast solder repair. James is restoring a 1968 Cadillac Convertible. The front bumper wrap-around trim is busted in three sections, which are formed out of pot metal. James had never repaired pot metal before and decided to give it a go after watching the series of pot metal repair videos on RU-vid. No special tools are needed when prepping the zinc diecast as the metal is soft. A dremel tool, file, sanding disc, etc. are sufficient when cutting a bevel in the metal. The part still has the original chrome plating, which is not a deal-breaker when soldering adjacent to the chrome.
The Super Alloy 1 has a very low melting point of 350°F, which allows the product to flow out with damage to the chrome. If you are worried about damaging the chrome, you could always apply our reusable Heat Freeze Heat Paste over the chrome or plastic, etc. It is essential to clean the pot metal just before making your repair. Pot metal oxidizes very quickly. It's best to clean the parts the same day you are repairing your parts. When soldering two broken pieces together is vital to bevel the top and bottom at the breakpoint. Remember, you will always achieve more strength when you bevel your metals. A propane torch is all you need for the job. If you only have an oxyacetylene torch, then use very little oxygen. You can use a brush to apply the flux or dip your rod into the flux and use it as your paintbrush. Keep your flux as close to the work area as possible, you will drip less flux, and the part doesn't have much time to cool between solder applications.
You will see the guys clamp the three pieces to a piece of steel. This helps align the parts while soldering. You will usually move the parts around slightly when applying the Super Alloy 1 rod without clamping the parts. One of the reasons the product is a must in the restoration business is the super Alloy 1 rod works at half the melting point of pot metal/zinc diecast. You will know when you are overheating to solder as the flux turns dark brown. This is when you may see porosity in the solder. Porosity also forms when there isn't an adequate amount of flux added for the job, or the parent metal is dirty or contaminated. After "welding" the first side, you could add some Heat Freeze to it to prevent the solder from remelting when the part is flipped over to solder the back.
After the pot metal is repaired and the part cools naturally, use warm water and a wire brush to remove the flux. We at muggyweld.com get many calls from people wondering if their part is pot metal or cast aluminum. Pot metal is a zinc-based metal with almost a lead weight compared to aluminum, which is much lighter than zinc. You could also test the metal via TIG welding. The zinc will give off a purple hue when welded. You can TIG weld zinc with the Super Alloy 1 rod. The rod bonds to a variety of metals, including galvanized steel, copper, brass, bronze, extruded aluminum under 1/8" steel, stainless, etc. It works best on thinner metals as it is a solder. The alloy does take chrome plating and powder coating under 400°F Fills cracks, holes, gaps, missing sections, pitting, and more.
Thank you, James, for sharing your experience with Muggy Weld LLC products and giving the Super Alloy 1 rod a shot at saving your pot metal. We would like to see your pot metal after it returns from the chrome shop. And of course, when your Cadillac returns to the road.
#PotMetalTrim #CadillacPotMetalRepair #ZincDiecastRepair #PotMetalRestoration
#PotMetalWrapAround #WhiteMetalSolder #MonkeyMetalWelding #PotMetalChrome
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8 июл 2024
