Sn30Pb70 solder bar
Sn30Pb70 Solder Bar
A high-lead tin-lead solder bar designed for higher-temperature industrial soldering, tinning and staged joining where a lower-tin Sn-Pb composition is specified.

High-lead solder bar for elevated-temperature processing
The lower tin content raises the liquidus temperature and supports selected industrial applications that require a higher-temperature alloy than common 63/37 or 60/40 solder.
High-Lead Alloy System
Lower tin content provides a higher liquidus temperature for suitable applications.
Step-Soldering Potential
Can support staged joining where the first joint must tolerate a later lower-temperature operation.
Industrial Tinning
Applicable to selected metal components, terminals and production solder pots.
Stable Alloy Supply
Composition control supports repeatable batch performance.
Bar Form Handling
Convenient for melting, replenishment and production storage.
Technical Confirmation
Final process suitability should be validated with actual parts, flux and equipment.
Recommended Use
Recommended for higher-temperature solder pots, industrial tinning, staged soldering, electrical components and specialty repair where the selected Sn-Pb alloy is permitted.
Product Specifications
Core data for initial product selection. Final values must be confirmed against the approved specification, batch document or purchase order.
Typical Applications
Application suitability depends on substrate finish, flux selection, solder bath condition, temperature profile, joint design and regulatory requirements.
Explore Tin Lead Solder Bar Options
Compare related tin-lead bar alloys within the Jufeng solder bar series.
Technical information is provided for product-selection reference. Tin-lead solder is regulated in many markets; confirm legal use, process suitability and reliability requirements before ordering.
Need a tin-lead solder bar specification?
Send the required alloy, bar dimension, application, soldering process, packaging and annual demand for technical review and quotation.
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