COYOUCO Brazing Rods BCuP-1 Phosphor Copper Solder 1x2.5x400mm Phos Copper Brazing Alloys Flat Welding Rods for Air Conditioning Refrigerator Cold Storage HVAC Units,100 Pcs

These phosphor bronze flat brazing rods are designed for clean, efficient brazing of copper to copper and copper to brass joints. With self-fluxing capability, no additional flux is required when brazing copper components, making them ideal for HVAC repair, refrigeration maintenance, and plumbing work. The flat design improves handling and stability during brazing, allowing for precise placement and reliable joint sealing.Manufactured with high phosphorus content, these rods offer excellent capillary action and flowability, ensuring strong, leak-resistant bonds. They’re perfect for use in copper pipe soldering, evaporators, air conditioning units, and water heaters.Product FeaturesSelf-fluxing for copper and brass jointsFlat profile for precise brazing controlSmooth flow and strong sealing performanceHigh strength and consistent melting behaviorSpecificationsMaterial: Phosphor bronze (P: 6.6–7.4%, Cu: balance)Type: Flat brazing rodsSolidus: 1310°F (710°C), Liquidus: 1508°F (820°C)Recommended joint clearance: 0.002"–0.007"ApplicationsHVAC systemsFreezers and refrigeratorsHeat exchangers and evaporatorsCopper plumbing and maintenance workImportant NotesNot suitable for iron or steel weldingEach rod may have a length variation of ±5–10mm due to manufacturingClean all surfaces thoroughly before brazing for best results

• Self-Fluxing Design – Clean and Efficient Copper Brazing:These phosphor bronze brazing rods are formulated with phosphorus for self-fluxing performance when brazing copper-to-copper or copper-to-brass. No additional flux is required in most cases, reducing prep time and minimizing residue for a clean, efficient workflow in HVAC and plumbing jobs.
• Flat Rod Shape – Stable, Easy Handling:The flat design provides enhanced stability and control during brazing, making these rods ideal for both horizontal and vertical applications. Whether you're sealing small copper joints or working on large refrigeration components, these flat brazing rods offer dependable handling and accurate placement.
• Strong Bonding with High Flowability:With excellent capillary action and fluidity, these copper filler rods create strong, leak-resistant joints. The optimized melting range supports tight joint clearances and delivers smooth flow into narrow gaps, reducing voids and ensuring durable, high-integrity connections.
• Versatile Use – Perfect for HVAC, Plumbing & Refrigeration:Compatible with gas welding, contact brazing, and some furnace brazing methods, these rods are a go-to choice for HVAC technicians, plumbers, and appliance repair pros. Suitable for A/C units, heat exchangers, freezers, evaporators, water heaters, and more.
• Designed for Everyday Professional Use:Crafted under strict manufacturing standards, these HVAC brazing rods offer consistent composition and performance. Whether you're in the workshop or on-site, you can count on these phosphor copper rods for dependable results in daily maintenance and repair tasks.