Sn42Bi57Ag1 solder bar
Sn42Bi57Ag1 Solder Bar
Sn42Bi57Ag1 solder bar is a low-temperature lead-free alloy for heat-sensitive assemblies and processes where reduced thermal input is important.
Low-temperature Sn-Bi-Ag solder bar with silver addition
The tin-bismuth-silver composition melts at approximately 139°C. Silver addition can support joint behavior, while the low process temperature helps limit thermal stress on compatible components and substrates.
Low 139°C Melting Point
Helps reduce process temperature and thermal exposure.
Silver-Modified Alloy
Silver addition supports selected joint-performance requirements.
Reduced Thermal Stress
Useful for compatible components and substrates with limited heat tolerance.
Lead-Free Composition
Suitable for projects requiring a lead-free low-temperature alloy.
Controlled Bar Supply
Bar form supports measured charging and alloy handling.
Application Review
Joint design, brittleness risk and service conditions should be reviewed before use.
Recommended Use
Recommended for low-temperature soldering, heat-sensitive components, staged assembly, repair and specialized joining where Sn42Bi57Ag1 is specified.
Product Specifications
Core data for initial product selection. Final alloy tolerance, bar size and packaging should be confirmed against the approved specification or purchase order.
Typical Applications
Application suitability depends on the substrate finish, flux, solder-bath condition, temperature profile, joint design and reliability requirements.
Explore Lead-Free Solder Bar Options
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