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  2. Soldering gun - Wikipedia

    en.wikipedia.org/wiki/Soldering_gun

    A 1948 advertisement for a Weller soldering gun. Pistol-grip electrically-heated soldering tools had been used since the 1920s. In 1941 Carl E. Weller invented and later obtained U.S. patent 2,405,866 [1] for a transformer-based soldering tool which heated and cooled rapidly, [2] essentially as described in this article. Weller formed a company ...

  3. Solder alloys - Wikipedia

    en.wikipedia.org/wiki/Solder_alloys

    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.

  4. Tin-silver-copper - Wikipedia

    en.wikipedia.org/wiki/Tin-silver-copper

    Tin-silver-copper (Sn-Ag-Cu, also known as SAC), is a lead-free alloy commonly used for electronic solder. It is the main choice for lead-free surface-mount technology (SMT) assembly in the industry, [ 1 ] as it is near eutectic , with adequate thermal fatigue properties, strength, and wettability. [ 2 ]

  5. Soldering iron - Wikipedia

    en.wikipedia.org/wiki/Soldering_iron

    A soldering iron stand keeps the iron away from flammable materials, and often also comes with a cellulose sponge and flux pot for cleaning the tip. Some soldering irons for continuous and professional use come as part of a soldering station, which allows the exact temperature of the tip to be adjusted, kept constant, and sometimes displayed.

  6. The Home Depot Pro - Wikipedia

    en.wikipedia.org/wiki/The_Home_Depot_Pro

    The Home Depot Pro distributes products such as HVAC, janitorial supplies, plumbing supplies, and security supplies. The Home Depot Pro was established in 1978 formerly known as Wilmar Industries, founded by William S. Green. In 2000, Wilmar acquired Barnett together forming the company Interline Brands.

  7. Filler metal - Wikipedia

    en.wikipedia.org/wiki/Filler_metal

    Brazing and hard soldering use a higher temperature filler that melts at a temperature which may approach that of the base metal, and which may form a eutectic alloy with the base metal. Filler alloys have a lower melting point than the base metal, so that the joint may be made by bringing the whole assembly up to temperature without everything ...

  8. List of copper mines in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_copper_mines_in...

    Gold-copper ore, concentrated and leached 16 (2018) [6] 16 Lisbon Valley San Juan County, Utah: Lisbon Valley Mining Company Copper ore, open pit, heap leached 10–15 (2018) [9] 17 Miami: Gila County, Arizona: Freeport-McMoRan: Copper ore, leached 5 (2021) [2] 18 Carlota Gila County, Arizona: KGHM Polska Miedź: Porphyry copper open pit ...

  9. List of companies in the Dallas–Fort Worth metroplex

    en.wikipedia.org/wiki/List_of_companies_in_the...

    For a list of companies based within Dallas city limits, go to List of companies in Dallas. The Dallas/Fort Worth Metroplex is home to over 20 corporate headquarters, making the Dallas/Fort Worth Metroplex one of the largest corporate headquarters concentration in the United States.

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