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.

Alloy composition

Element

Bi57Sn43

Bi

Remainder

Sn

41 - 43

Downloads

Alloy Product data sheet Safety data sheet Application note
Bi57Sn43