What is H62 brass?
H62 brass strip is a common copper alloy material. "H62" indicates that its copper content is approximately 62%, with the remainder primarily consisting of zinc and possibly small amounts of other impurity elements. This alloy ratio endows H62 brass strips with a series of unique performance characteristics.
Performance Characteristics of H62 Brass Strips
Mechanical Properties
Strength: H62 brass strips possess a certain level of strength, enabling them to withstand external forces without significant deformation or damage. This strength allows them to be used in applications requiring resistance to pressure and load.
Hardness: Their hardness is moderate, which facilitates mechanical processing such as cutting and punching, while also ensuring they do not wear down too easily due to being too soft. This moderate hardness gives H62 brass strips good machinability and durability in the manufacturing of various components.
Toughness: H62 brass strips have good toughness, meaning they are not prone to brittle fracture under impact from external forces. They can absorb energy to a certain extent, thereby ensuring the material's reliability under complex working conditions.
Physical Properties
Electrical Conductivity: Copper is an excellent conductive material, and H62 brass strips inherit this characteristic, offering relatively good conductivity. This makes them widely applicable in the electronics and electrical fields, such as in flexible printed circuits and conductive components in various electronic devices.
Thermal Conductivity: Their thermal conductivity is also quite good. In situations requiring heat dissipation, H62 brass strips can be used as heat dissipation elements, such as in thermal interface materials or shielding layers.
Corrosion Resistance: H62 brass strips exhibit good corrosion resistance in general atmospheric environments and some weakly corrosive media. This is because a dense oxide film forms on their surface, preventing further erosion by external media. This corrosion resistance allows them to be used in outdoor environments and some chemical equipment.
Chemical Properties
Stability: The chemical properties of H62 brass strips are relatively stable, and they do not easily react with most chemicals at room temperature. This gives them good stability during storage and use, allowing them to maintain their performance over the long term.
Application Scope of H62 Brass Strips
Electronics and Electrical Field
Due to their good electrical conductivity and flexibility, H62 brass strips are widely used in manufacturing various electronic components, such as flexible circuit substrates, electromagnetic shielding gaskets, and connectors.
In power transmission, H62 brass strips can be used to manufacture flexible busbars and cable shielding layers, improving the efficiency and reliability of power transmission.
Machinery Manufacturing Field
In the manufacturing of mechanical parts, H62 brass strips are widely used due to their good mechanical properties and formability. They can be used to make various washers, gaskets, spring contacts, and decorative trim.
The automotive manufacturing industry is also one of the important application fields for H62 brass strips. In key components, some parts made from H62 brass strips are used, such as flexible connectors and shielding layers for sensors, to ensure normal vehicle operation.
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Architectural Decoration Field
H62 brass strips have an aesthetically pleasing golden-yellow appearance and certain corrosion resistance, leading to their wide application in architectural decoration. They can be used to make decorative moldings, trim strips, and inlays for furniture and interiors.
Hardware Products Field
Many hardware products are manufactured using H62 brass strips. For example, various stamped components like lock parts, hinges, and decorative nameplates. The properties of H62 brass strips meet the usage requirements of these products, while their good formability also facilitates mass production.
H62 vs. H59 Brass: Comparison & Selection Guide
| Property / Aspect | H62 Brass (CuZn38) | H59 Brass (CuZn41) |
|---|---|---|
| Nominal Composition | ~62% Cu, ~38% Zn | ~59% Cu, ~41% Zn |
| Common UNS Equivalent | C28000 (Muntz Metal) | C28000 (Note: Often falls within the same UNS range) |
| Material Structure | α+β Phase (Dual-phase) | Predominantly β Phase (Higher Zn content) |
| Mechanical Strength | Higher strength and hardness than pure α-brasses | Highest strength among common wrought brasses |
| Ductility & Formability | Good hot workability; moderate cold workability | Excellent hot workability; poor cold workability |
| Corrosion Resistance | Good, typical for brass alloys | Slightly lower than H62 due to higher Zn content |
| Machinability | Fair | Fair to Good (β-phase can be easier for machining) |
| Color | Rich golden yellow | Lighter, more yellowish (less red tone) |
| Cost | Slightly higher (more copper) | More economical (less copper, more zinc) |
| Primary Applications | Architectural hardware, heat exchangers, stamping parts, bolts, nuts | Hot forging parts, plumbing fixtures, valve bodies, machine parts requiring high strength |
| Key Selection Criteria | Choose H62 when you need: | Choose H59 when you need: |
| - A balance of strength, corrosion resistance, and formability | - Maximum strength and hardness for structural parts | |
| - Good performance for both cold and hot working processes | - Excellent hot forging or hot stamping capabilities | |
| - Better corrosion resistance in moderate environments | - More cost-effective material for high-volume parts | |
| - Aesthetic golden color for decorative applications | - Parts that will be primarily formed or shaped while hot | |
| Avoid or Consider Alternatives if: | - Very high cold forming complexity is required (consider H68/H70) | - Extensive cold bending or forming is needed |
| - Maximum electrical conductivity is critical | - Superior corrosion resistance is the top priority | |
| - The part requires a warm, gold-like aesthetic |
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Our factory serves as the core base for the precision manufacturing of copper products, integrating advanced equipment, strict quality control, and efficient production capacity. We possess a complete production line covering the entire process from raw material smelting and continuous rolling to precision drawing/cutting, with key equipment including large-tonnage hydraulic stretching machines, high-precision CNC machine tools, and automated surface treatment systems. This enables the large-scale and customized production of a wide range of products such as copper rods, tubes, plates, strips, and wires. The factory strictly adheres to the ISO quality management system and is equipped with testing instruments such as spectrometers and mechanical property testing machines to monitor process parameters and product performance throughout the entire process. Digital production management is achieved through an ERP system and visual dashboards, ensuring timely order delivery. Furthermore, we implement a green manufacturing philosophy, equipped with exhaust gas treatment and scrap recycling systems, committed to providing customers with high-quality and sustainable copper material solutions.
Copper product packaging
We employ professional and reliable packaging solutions to comprehensively protect the integrity of all types of copper products during long-distance transportation and handling. For copper rods and tubes, we use moisture- and rust-proof materials for wrapping, secured with sturdy wooden crates or steel strapping to prevent bending and deformation. Copper plates and strips are sealed with waterproof paper or plastic film, protected with edge guards, and then fixed on customized wooden pallets or metal racks to avoid surface scratches and moisture. Copper wires are neatly wound on specialized reels, wrapped with moisture- and rust-proof film, and reinforced at the edges. All packaging is designed according to export standards, with clear labeling to ensure the safe delivery of goods to our global customers.
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