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Soldering and RivetingSheet Metal Working Soldering and Riveting
Types of Sheet Metal Steel (Ferrous) Non-Steel (Non-Ferrous)
Steel Sheet Metal Galvanized Stainless Tin Plate
Non-Steel Sheet Metal Copper Aluminum Lead Zinc
Galvanized Sheet MetalSoft steel sheet covered with a zinc coating Has a dull appearance
Galvanized cont’d. Zinc coating provides a corrosive resistanceRelatively inexpensive
Galvanized cont’d. Used for many purposes Roofing Ductwork GuttersSigns Posts
Stainless Steel Sheet MetalHigh grade steel covered with a coating of chromium and nickel Has high corrosive properties Cleans easily
Stainless Steel cont’d.Has a silver/chrome appearance Very tough to bend
Stainless Steel cont’d.Will last “forever” Very expensive Used for many purposes Food/dairy industry Sinks Tables Grills Utensils
Tin Plate Sheet Metal Steel coated with pure tinOnce widely used for sinks, cans, food/dairy industry Mainly replaced by stainless steel
Copper Sheet Metal High corrosive resistanceUsed mainly in roofs and gutters Very expensive
Aluminum Sheet Metal Used for Good corrosive resistanceGutters and spouts Siding Wheels and rims Cans Good corrosive resistance Very light weight Durable
Lead Sheet Metal One of the oldest sheet metalsUsed for thick tanks and radiation areas X-ray proof
Soldering The joining of two or more pieces of metal by using an alloy with a lower melting point than the pieces being joined
The Make-Up of Solder Tin % / Lead % Examples: 50/50 60/40 95/5Lead Free Solder
The Make-Up of Solder cont’d.As you increase the Tin %, the melting point of the solder is lowered
Flux Removes/Cleans the oxide film from the surface of metalSolder would not “stick” without the use of flux May come in many different forms
Types of Flux Acid Flux Hydro-chloric Cut Acid Rosin Flux Powder PasteLiquid
Soldering Tools/EquipmentElectric Soldering Gun Sal Ammoniac Block Flux Gas Bench Furnace Propane Torch Soldering Copper
Riveting Metal Fastening device that is held in place by spreading one or both ends Fastened by using a rivet set or by peining
Types of Rivets Pop Rivet Brass Rivet Copper Rivet Iron RivetAluminum Rivet
Drilling Holes for RivetingHoles drilled in thicker metal are made with a portable drill, or better yet a drill press Uses high speed twist drill bits which are hardened for use in metal
Metals All metals belong to one of these two groups.
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