Copper - Phosphorus Brazing Alloys

Key Features and Benefits

Copper-Phosphorus Brazing Alloys offer a reliable and versatile solution for joining copper and its alloys, combining ease of use with strong, durable performance.

• Self-Fluxing on Copper – These alloys form clean, strong joints on copper without the need for additional flux, simplifying the brazing process and reducing material costs.
• Low Melting Temperatures – The alloys melt at relatively low temperatures, reducing thermal stress on components and preserving the integrity of sensitive metals.
• Improved Ductility and Conductivity – Silver-containing grades provide better flexibility and higher electrical conductivity, making them ideal for electrical and precision applications.
• Wide Application Range – Commonly used in refrigeration, air conditioning and plumbing, these alloys perform reliably under continuous service temperatures up to 200 °C.
• Corrosion Resistance – They offer satisfactory resistance to corrosion, except in sulfurous environments, ensuring long-lasting performance.
• Versatile Forms – Available in rods, wires, rings, preforms and granules, they accommodate various fabrication and repair needs.

Copper-Phosphorus Brazing Alloys combine strength, reliability and versatility for high-quality metal joining solutions.

Specifications

Copper-Phosphorus Brazing Alloys are available in a range of compositions to suit different applications, offering reliable strength and consistent performance. 

These alloys provide flexible options for different metal joining needs, ensuring strong, durable and efficient brazed connections.

Properties

Copper-Phosphorus Brazing Alloys possess a combination of mechanical and chemical properties that make them highly reliable for joining copper and its alloys. Key properties include:

• Self-Fluxing Ability – These alloys bond well to copper without additional flux, simplifying the brazing process and reducing contamination risks.
• Melting Range – Low melting temperatures protect base metals from thermal stress while enabling efficient brazing.
• Ductility – Silver-containing grades improve flexibility, allowing joints to withstand stress without cracking.
• Electrical Conductivity – Higher silver content enhances conductivity, making these alloys suitable for electrical and electronic applications.
• Service Temperature – Suitable for continuous operation up to 200 °C, maintaining stability in common applications like plumbing and refrigeration.

These properties make Copper-Phosphorus Brazing Alloys a dependable choice for strong, durable and efficient metal joining.

Related Products

Copper-Phosphorus Brazing Alloys are supported by several related products that enhance their performance and versatility:

• Fluxes and Pastes – Clean and prepare surfaces to ensure strong, reliable joints, especially when brazing copper alloys other than pure copper.
• High-Silver Brazing Alloys (Cadmium-Free Grades) – Provide excellent ductility, strength and conductivity for applications where cadmium is restricted.
• High-Silver Brazing Alloys (Cadmium-Bearing Grades) – Offer superior mechanical properties for specialised industrial applications where cadmium use is acceptable.
• Tungsten Carbide Tools (Tipped Grades) – Enable precise and durable cutting or machining when brazed tips are required on hard materials.

These products complement brazing alloys, ensuring efficient, long-lasting metal joining solutions.