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Most lead-free replacements for conventional 60/40 and 63/37 Sn-Pb solder have melting points from 50 to 200 °C higher, [17] though there are also solders with much lower melting points. Lead-free solder typically requires around 2% flux by mass for adequate wetting ability. [18]
In 60 Sn 40: 113: 122 [11] Yes: No: In 52 Sn 48: 118: Yes: Yes: In52. Suitable for the cases where low-temperature soldering is needed. Can be used for glass sealing. [14] Sharp melting point. Good wettability of glass, quartz, and many ceramics. Good low-temperature malleability, can compensate for different thermal expansion coefficients of ...
60/40: melts between 183–190 °C (361–374 °F) ... or brought entirely above the melting temperature of the solder used, the result will be an unreliable ("cold ...
BrazeTec 60/40. For brazing zinc-coated tubes. ... High-temperature solder, extremely hard, very stiff. 82: ... Silcoro 60. Narrow melting range, good for step ...
The most common dip soldering operations use zinc-aluminum and tin-lead solders. Solder pot metal: cast iron or steel, electrically heated. Bath temperature: 220 to 260 °C (for binary tin-lead alloys) or 350 to 400 °C (for lead-free alloys) Solder composition: 60% Sn, 40% Pb or eutectic alloy.
Fusible alloys are typically made from low melting metals. There are 14 low melting metallic elements that are stable for practical handling. These are in 2 distinct groups: The 5 alkali metals have 1 s electron and melt between +181 (Li) and +28 (Cs) Celsius; The 9 poor metals have 10 d electrons and from none (Zn, Cd, Hg) to three (Bi) p electrons, they melt between -38 (Hg) and +419 (Zn ...