Wholesale China Suppliers Factory Brass Brazing Rod for HVAC Systems - High Strength, Good Conductivity, Easy to Use Suppliers, Factories

Brazing Alloy is a premium air self-brazing solder produced in China, featuring a moderate melting point and excellent fluidity. As one of the leading suppliers in the industry, our product offers high joint strength and good electrical conductivity, making it suitable for various applications. Whether using flame, induction, or furnace brazing methods, this versatile alloy ensures easy operation and reliable results. It's ideal for welding copper and copper alloy components, widely employed in air conditioning, refrigeration, electrical appliances, and instrument manufacturing sectors. Choose our factory for top-quality brazing solutions that meet your needs efficiently.

Product Description

Definition

Brass brazing alloy is a welding material with copper (Cu) as the basic component and an appropriate amount of zinc (Zn) added to form a brass body. In some specific brass brazing alloy formulas, it may also contain a small amount of other auxiliary elements, such as tin (Sn), lead (Pb), aluminum (Al), etc. The addition of these elements can further optimize the various properties of the alloy to better meet the needs of different brazing scenarios.

Main Material Components

Cu (Copper) Zn (Zinc) Sn (Tin) Pb (Lead) Al (Aluminum)

Key Advantages

  • Moderate Melting Point & Fluidity It fills weld gaps quickly for dense, defect-free joints. It offers excellent tensile strength and corrosion resistance for dissimilar metals like copper, steel, and cast iron.
  • Easy Operation Achieve efficient results with conventional brazing processes. The surface remains smooth post-welding, minimizing the need for complex post-processing.
  • Superior Strength & Hardness Ensures connected parts withstand external forces and provides sufficient wear resistance for the finished joints.
  • Environmentally Resilient Maintains high performance under varied environmental conditions, significantly extending the service life of brazed components.

Application Scope

  • Mechanical Manufacturing: Used for connecting structural mechanical parts to ensure equipment stability.
  • Electronic Equipment: Ideal for connecting precision components and ensuring stable circuit connections.
  • Architectural Decoration: Employed for aesthetic and firm connections of metal decorative components.

Product Parameters

Standard Item Alloy Chemical Composition
ISO24373 Cu4641 CuZn40SnSi Cu:58.0~62.0 Al:0.01 Fe:0.2 Mn:0.3 Si:0.1~0.5 Sn:1.0 Zn:bal.
GB/T9460 SCu6810A CuZn40SnSi Cu:58.0~62.0 Al:max 0.01 Fe:max 0.2 Mn:max 0.3 Si:0.1~0.5 Sn:max 1.0 Zn:bal.
BS EN14640 SCu6810 CuZn40SnSi Cu:58.0~62.0 Al:0.01 Fe:0.2 Mn:0.3 Si:0.1~0.5 Sn:1.0 Zn:bal.
DIN 1733 2.0366 SG-CuZn40SnSi Cu:58.0~62.0 Al:max 0.01 Fe:max 0.2 Mn:max 0.3 Si:0.1~0.5 Sn:max 1.0 Zn:bal.

Product Size

Brass Brazing Rods Standard Sizes
1.5mm (0.059”)
2.0mm (0.079”)
2.5mm (0.098”)
3.0mm (0.118”)
4.0mm (0.157”)
5.0mm (0.197”)
6.0mm (0.236”)
8.0mm (0.315”)
Note: Other sizes can be produced according to specific customer requirements.

Product Photos

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Certificates & Quality Assurance

Quality Certificate 1
Quality Certificate 2
Quality Certificate 3
Quality Certificate 4
Quality Certificate 5
Why choose our brazing alloys

Frequently Asked Questions

Q: What is the primary composition of this brazing alloy?

A: The alloy is mainly composed of Copper (Cu) and Zinc (Zn), forming a brass base. It may also include Tin (Sn), Silicon (Si), and Aluminum (Al) to improve fluidity and strength.

Q: Which metals can be joined using brass brazing rods?

A: These rods are excellent for joining various metals, including copper, steel, and cast iron, and are particularly effective for dissimilar metal connections.

Q: Does the welding surface require extensive post-processing?

A: No, the alloy provides a smooth finish after welding, which often eliminates the need for complicated post-processing or excessive cleaning.

Q: What are the common applications for this material?

A: It is widely used in mechanical manufacturing for structural parts, electronic equipment for precision components, and architectural fields for decorative metal installations.

Q: Are there different sizes available for specific projects?

A: Yes, we offer standard diameters ranging from 1.5mm to 8.0mm. Custom sizes can also be manufactured to meet unique customer requirements.

Q: How does it perform in corrosive environments?

A: Brass brazing alloys possess excellent corrosion resistance, ensuring that joints maintain their integrity and strength even under challenging environmental conditions.

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