How To Braze Galvanized Sheet Metal

How to braze galvanized pipe.

How to braze galvanized sheet metal.

If none is available use cut muriatic hydrochloric acid. Wipe the areas on the metal pieces that will be joined with the emery cloth so the surfaces are free from dust and grease. Put on your respirator and eye protection. Position the metal as desired.

Place the two metal pieces on the rotating table. This will help to. Mix a small amount of flux with water to form a paste. To point the electrode forward to push the zinc vapor away from the arc.

Use your angle grinder to gently. Apply this paste to the areas on the metal pieces that will be joined using the brush. Heat the joint where the two pieces of metal will meet. In most cases an overlapped joint will be stronger and braze together easier than a.

Steps use the wire brush or emery cloth to scuff the surface of the metal. The previous video i posted on brazing got enough constructive criticism i decided to redo the audio and point out the mistakes i made while brazing. A neutral to slightly oxidizing flame is employed in conjunction with a filler rod of 60 cu 40 zn alloy rbcuzn a as specified in aws a 5 8 to braze galvanized steel. To weld a tear or split in galvanized steel start on any edge of the metal.

Work slowly around the exterior edge on the metal itself moving forward 2 3 inches 5 1 7 6 cm before bringing your welding rod back over the surface you just covered. Then clean the surfaces using soapy water or a. This type of flame and filler which melts just below the boiling point of the zinc coating minimizes the loss of zinc. Do this by pouring the acid into a glass container and adding zinc roofing nails and or slivers of galvanized metal until it no longer bubbles strain the resulting liquid into another glass container.