Thin Brass Rod is an alloy material with copper and zinc as the main components. It is widely used in industrial manufacturing, decorative arts, and electronic and electrical fields due to its excellent mechanical properties, corrosion resistance and processability. Its "thin" characteristics give it a unique advantage in precision processing.
| BrazingAlloys | AWS | Chemical Composition（%） | Solidus | Liquidus | Main Uses | |||||||
| Ag | Cu | Zn | Sn | Si | Other | F | ℃ | F | ℃ | |||
| BCu | BCu-1 | / | 100 | / | / | / | / | 1981 | 1082 | 1981 | 1082 | Suitable for furnace brazing of steel, stainless steel and nickel-based alloys. |
| BCu58Zn | / | / | 58 | / | 38 | / | Mn：4 | 1616 | 880 | 1668 | 909 | Mainly used for brazing of hard alloy cutter. |
| BCu60Zn | / | / | 60 | / | 39 | 1 | Si：0.25 | 1634 | 890 | 1661 | 905 | Mainly used for brazing ferrous metals, nickel-based alloys and Cu-Ni alloys; it has good fluidity. |
| BCu58ZnFe | BCuZn-C | / | 58 | / | 40.2 | 1 | Fe：0.8 | 1670 | 910 | 1749 | 954 | |
| BCu48ZnNi | BCuZn-D | / | 48 | / | 41.8 | / | Ni：1 Si：0.2 | 1720 | 938 | 1799 | 982 | |
Material and composition
High-purity alloy: The main components are copper (60%-90%) and zinc (10%-40%), and a small amount of lead, tin and other elements can be added to improve performance.
Golden color: natural luster, the surface can be polished, plated and other treatments.
Physical and mechanical properties
High strength and ductility: tensile strength ≥294 MPa, elongation ≥25%, suitable for cold processing and forming.
Corrosion resistance: excellent performance in humid environments, suitable for outdoor or corrosive media scenes.
Thermal conductivity and electrical conductivity: thermal conductivity 109 W/(m·K), electrical conductivity 28% IACS, suitable for radiators and conductive parts.
Processing performance
Easy cutting: low cutting force, suitable for precision processing such as turning and milling.
Weldability: compatible with soft soldering and brazing, high weld strength.
Surface treatment: support nickel plating, chrome plating, anodizing and other processes to improve wear resistance and aesthetics.
Size and tolerance
Diameter range: 1mm-15mm, tolerance ±0.02mm, to meet the needs of precision parts.
Length customization: standard length 500mm, can be customized according to needs.
Melting and Casting
Vacuum induction melting: ensure uniform composition and reduce impurities.
Continuous casting: produce round bars with a diameter of 1mm-15mm, smooth surface and dense internal structure.
Heat treatment
Annealing process: soften the material, improve ductility, and eliminate internal stress.
Aging treatment: enhance strength, suitable for high-load parts.
Precision machining
Cold drawing process: control diameter tolerance and surface roughness through multiple drawing passes.
Precision straightening: ensure the straightness of the bar is ≤0.1mm/m.
Surface treatment
Pickling and passivation: remove oxide scale and improve corrosion resistance.
Polishing process: surface roughness Ra≤0.4μm, meet the needs of optical applications.
Electronic and Electrical Fields
Connectors and Terminals: Use high conductivity to produce precision terminals for mobile phones, computers and other devices.
Radiators: Excellent thermal conductivity, used for heat dissipation components of LED lights and power modules.
Precision Machinery Manufacturing
Watch Parts: Processing gears, bushings, etc., to meet micron-level tolerance requirements.
Medical Equipment: Manufacturing surgical instruments and implants (such as bone screws), with good biocompatibility.
Decoration and Art
Jewelry: Golden color and ductility are suitable for inlay and carving.
Architectural Decoration: Used for door and window handles, stair handrails, to enhance aesthetics.
Automotive Industry
Sensor Housing: Corrosion resistance meets the requirements of the engine compartment environment.
Fasteners: Produce bolts and nuts with both strength and conductivity.
Aerospace
Lightweight Components: Replace some steel parts, reduce weight, and improve fuel efficiency.
New Energy Field
Hydrogen Energy Equipment: Used for hydrogen storage tank valves and pipelines, with excellent hydrogen embrittlement resistance.
Solar Brackets: Corrosion resistance is suitable for long-term outdoor use.
Storage Environment
Avoid humid environment to prevent oxidation and rust.
Keep away from acidic and alkaline substances to prevent corrosion.
Surface Cleaning
Wipe with a soft cloth regularly to remove dust and stains.
Minor oxidation can be treated with a special polishing paste.
Post-processing treatment
Pickling and passivation are required after welding to prevent local corrosion.
The cutting fluid needs to be cleaned in time to avoid residual corrosive materials.
Q: What is the tensile strength of thin brass rods?
A: The tensile strength is ≥294 MPa, and the specific value is adjusted according to the heat treatment process.
Q: Does it support customized length?
A: Yes, the standard length is 500mm, which can be customized according to needs.
Q: How to choose the appropriate surface treatment?
A: Choose according to the application environment. Nickel plating or anodizing is recommended for outdoor scenes.
Q: What is the minimum order quantity?
A: The minimum order quantity for conventional specifications is 500kg, and special specifications need to be negotiated.
Q: How long does the delivery cycle take?
A: 7-15 days for conventional products, customized products need to be negotiated based on process complexity.
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