Bi57Sn43

Special alloy for selective and wave soldering

BALVER ZINN alloy Bi57Sn43 is a lead-free eutectic alloy with a melting point of 139°C for applications on temperature sensitive components.

Bi57Sn43 can be used for immersion tin plating and special applications. Unlike other alloys, Bi57Sn43 expands during solidification.

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Alloy composition

Element

Bi57Sn43
Bi

Remainder
Sn

41 - 43

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Alloy Product data sheet Safety data sheet Application note
Bi57Sn43

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Additional documentation

Pb containing / special alloys / Bi57Sn43

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