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A soldering copper is a tool with a large copper head and a long handle which is heated with a small direct flame and used to apply heat to sheet metal such as tin plated steel for soldering. Typical soldering coppers have heads weighing between one and four pounds.
Historical soldering irons (front) and torches (back) Before the development of electric soldering irons, the typical soldering iron consisted of a copper block, with an appropriately shaped point, supported on an iron rod and held in a wood handle.
Inexpensive. For copper, silver, nickel, copper-phosphorus and copper-zinc filler metals. For brazing copper, brass, nickel alloys, Monel, medium and high carbon steels and chromium alloys. Nitrogen+hydrogen Cryogenic or purified (AWS type 6A). 70–99% N 2, 1–30% H 2. For copper, silver, nickel, copper-phosphorus and copper-zinc filler metals.
Low-cost. Useful for joining copper to copper or copper alloys where strong impacts and vibrations are not encountered. Requires good fitup. Self-fluxing on copper. Silver-free. Extremely fluid above flow point, for tight-fitting joints. Gap 0.025–0.075 mm. Light brown color. 86.8: 7: 6.2: Cu 85.3 Sn 7 P 6.2 Ni 1.5: Cu–Sn 612/682 [29 ...
The joint is then heated, typically by using a propane or MAPP gas torch, although electrically heated soldering tools are sometimes used. Once the fitting and pipe have reached sufficient temperature, solder is applied to the heated joint, and the molten solder is drawn into the joint by capillary action as the flux vaporizes. "Sweating" is a ...
Soldering copper pipes using a propane torch and a lead-free solder. Solder is a metallic material that is used to connect metal workpieces. The choice of specific solder alloys depends on their melting point, chemical reactivity, mechanical properties, toxicity, and other properties.