High-purity leaded and lead-free solder wires
Industrial Solder Wire Manufacturer Leaded & Lead-Free
Product Overview
Choice Solder manufactures high-purity solder wire engineered for precision electronics, PCB assembly, automotive electronics and industrial manufacturing. Our solder wires are available in leaded and RoHS compliant lead-free alloys, designed to deliver consistent melting behavior, superior wetting, and strong metallurgical bonding
Available Alloy Compositions
Precision-engineered alloys designed for consistent soldering performance across industrial applications.
Lead-Free Solder Wires
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SAC 305 (Sn96.5 Ag3.0 Cu5)
Technical Highlights:
• Composition: Sn96.5 / Ag3.0 / Cu0.5
• Solidus: 217°C
• Liquidus: 221°C
• Improved Thermal Fatigue Resistance
• ROHS Compliant
SAC 0307 (Sn99 Ag0.3 Cu0.7)
Technical Highlights:
• Composition: Sn99 / Ag0.3 / Cu0.7
• Solidus: 217°C
• Liquidus: 228°C
• Low Dross Formation
• Stable Copper Control
Leaded Solder Wires
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63/37 (Sn63 Pb37)
Eutectic alloy with precise melting point for fast and reliable soldering.
60/40 (Sn60 Pb40)
General-purpose alloy offering excellent workability and strong joint formation.
40/60 (Sn40 Pb60)
High-lead alloy suitable for specialized industrial soldering applications.
30/70 (Sn30 Pb70)
Designed for elevated temperature resistance and structural stability.
20/80 (Sn20 Pb80)
High-lead composition for demanding thermal and industrial environments.
95/5 (Sn95/Sb5)
High-temperature alloy engineered for enhanced strength and durability.
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Need Custom Alloy or Bulk Supply?
Contact our technical team for detailed specifications, pricing, and bulk order inquiries.