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  2. 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. Hence a wide range of solder alloys exist, and only major ...

  3. Soldering - Wikipedia

    en.wikipedia.org/wiki/Soldering

    Additionally, tin is a more corrosive metal, and can eventually lead to the failure of solder baths [clarification needed]. [36] Lead-free construction has also extended to components, pins, and connectors. Most of these pins used copper frames, and either lead, tin, gold or other finishes. Tin finishes are the most popular of lead-free finishes.

  4. Solder - Wikipedia

    en.wikipedia.org/wiki/Solder

    When lead-free solder is used in wave soldering, a slightly modified solder pot may be desirable (e.g. titanium liners or impellers) to reduce maintenance cost due to increased tin-scavenging of high-tin solder. Lead-free solder is prohibited in critical applications, such as aerospace, military and medical projects, because joints are likely ...

  5. Wiped joint - Wikipedia

    en.wikipedia.org/wiki/Wiped_joint

    The solder grade used for leadworking is plumber's solder (80% lead / 20% tin). [ i ] Although this is thought of as a high melting point solder amongst lead-tin solders, the solidus is relatively constant for all of these solders and it is the liquidus which climbs from the eutectic point at Sn 63% / Pb 37%.

  6. RoHS - Wikipedia

    en.wikipedia.org/wiki/Lead_free

    The more common lead-free solder systems have a higher melting point, e.g. a 30 °C typical difference for tin-silver-copper alloys, but wave soldering temperatures are approximately the same at ~255 °C; [47] however at this temperature most typical lead-free solders have longer wetting times than eutectic Pb/Sn 37:63 solder. [49]

  7. Wave soldering - Wikipedia

    en.wikipedia.org/wiki/Wave_soldering

    This latter combination is strong, has a low melting range, and melts and sets quickly (i.e., no 'plastic' range between the solid and molten states like the older 60% tin / 40% lead alloy). Higher tin compositions give the solder higher corrosion resistances, but raise the melting point. Another common composition is 11% tin, 37% lead, 42% ...

  8. Tin - Wikipedia

    en.wikipedia.org/wiki/Tin

    Shqip; Sicilianu; Simple English; ... A coil of lead-free solder wire. Tin has long been used in alloys with lead as solder, in amounts of 5 to 70% w/w.

  9. Solder paste - Wikipedia

    en.wikipedia.org/wiki/Solder_paste

    A solder paste is essentially powdered solder suspended in flux paste. The tackiness of the flux holds components in place until the soldering reflow process melts the solder. As a result of environmental legislation, most solders today, including solder pastes, are made of lead-free alloys [citation needed].

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