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Sn42Bi58

A eutectic tin-bismuth alloy for jobs where the parts cannot take normal soldering heat.

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Where it melts

Sn42Bi58138 °C (eutectic)

Low-temperature soldering, Heat-sensitive components.

See Sn42Bi58
Sn42Bi58 melts at 138 °C (eutectic). Other reference alloys are shown faintly for comparison.
Sn42Bi58 melts at 138 °C (eutectic). Other reference alloys are shown faintly for comparison.
AlloyMelting range
Sn42Bi58138 °C (eutectic)

Typical uses

  • Low-temperature soldering
  • Heat-sensitive components
  • Step soldering after a higher-melting joint

ElectronicsSMTConsumer electronics

Compare with

SAC305 (217 to 220 °C)SAC0307 (217 to 227 °C)Sn96.5Ag3.5 (221 °C (eutectic))Sn99.3Cu0.7 (227 °C (eutectic))All alloys in the finder