What is H62 brass?
H62 brass (CuZn5) combines high electrical conductivity with excellent machinability. Its 60.5%-63.5% copper content creates a perfect balance, making it suitable for forging precision mechanical parts and providing a stable current path for electronic components. Its unique cost-effectiveness makes it an irreplaceable metal solution in industrial manufacturing.
Applications of H62 Brass
- Machinery Manufacturing
- Parts Manufacturing: Due to its excellent mechanical properties, H62 brass is widely used in the manufacture of various mechanical parts, such as bushings, nuts, and bolts. These parts play a role in connection, transmission, and support in mechanical equipment. The high strength and toughness of H62 brass bars ensure their stable and reliable operation.
- Mold Manufacturing: H62 brass also has certain applications in mold manufacturing. It can be used to manufacture some small molds, and its good machinability allows the molds to be precisely machined into the required shapes and sizes.
- Electronics and Electrical Engineering
- Electrical Connectors: With its good conductivity, H62 brass is often used to manufacture electrical connectors, such as plugs, sockets, and terminals. These connectors can effectively transmit current, ensuring the normal operation of electrical equipment.
- Electronic Components: In some electronic components, such as switches and relays, H62 brass bars are also used as key components. Its stability and reliability help improve the performance and service life of electronic components.
- Architectural Decoration
- Decorative Components: H62 brass, with its attractive golden-yellow appearance, is frequently used to manufacture architectural decorative components such as door handles, locks, and decorative moldings. Its excellent machinability allows it to be crafted into various exquisite shapes, adding beauty and a sense of luxury to buildings.
- Plumbing Supplies: H62 brass also has wide applications in plumbing supplies. For example, faucets and pipe fittings. Its corrosion resistance and good machinability ensure that these plumbing supplies can be used for a long time while maintaining their good appearance.
H62 brass chemical composition
H62 is commonly specified around:
Cu (Copper): 61.5% – 63.5%
Zn (Zinc): remainder
Pb (Lead): typically very low (often controlled to <0.08%)
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H62 brass properties
Physical properties
Density: ~8.5–8.7 g/cm³
Thermal conductivity: ~120 W/m·K
Electrical conductivity: ~27% IACS (typical reference value)
Mechanical properties
Tensile strength: ~372–540 MPa
Yield strength: ~225–360 MPa
Elongation: ~24–45% (depends strongly on temper)
Hardness: ~90–120 (Vickers, typical reference)
Processing characteristics
Cold working: very good (bending, drawing, stamping)
Hot working: workable in typical hot-working temperature windows (process-controlled)
Machinability: moderate (fine for standard turning/milling; not "free-machining" like 360)
Corrosion: generally good in many environments, but brass families can face dezincification risks in some hot/chloride waters unless specified/controlled
H62 vs H65 Brass, Which is Better?
H62 and H65 brass differ in their copper content and mechanical properties. H62 brass, with slightly lower copper content, is versatile and widely used in plumbing, electrical components, and hardware. In contrast, H65 brass boasts higher tensile strength, better corrosion resistance, and superior machinability, making it ideal for decorative items, musical instruments, and radiator cores. Your choice should depend on specific project requirements like strength, corrosion resistance, or aesthetic needs.
| Property | H62 Brass | H65 Brass |
| Copper Content (%) | 60.5-63.5 | 63-65 |
| Zinc Content (%) | 36.5-39.5 | 35-37 |
| Tensile Strength (MPa) | ≥295 | ≥315 |
| Yield Strength (MPa) | ≥105 | ≥110 |
| Elongation (%) | ≥25 | ≥30 |
| Hardness (HB) | 80-100 | 90-110 |
| Corrosion Resistance | Good | Excellent |
| Machinability | Moderate | Good |
| Applications | Plumbing, electrical components, hardware | Decorative items, musical instruments, radiator cores |
Our factory
Our modern production base is equipped with advanced full-process production lines dedicated to the manufacturing of copper and copper alloy products. The factory features precision smelting, continuous casting, high-pressure extrusion, high-speed rolling, and precision cutting equipment, ensuring strict control over every step from copper ingot to finished product. We possess strong R&D and customization capabilities, enabling us to produce various specifications and tempers of copper tubes, plates, rods, wires, and ultra-thin foils in accordance with international standards (such as ASTM, EN, JIS) and specific customer requirements. Our products are widely used in various industries, including refrigeration, electronics, power, transportation, and construction.
Copper product packaging
We fully understand that secure packaging is essential for the flawless delivery of products. Tailored to the characteristics of different products, we employ customized professional packaging solutions: copper tubes and rods are typically secured with anti-rust inner liners and sturdy wooden crates or iron-frame boxes to prevent impact and deformation during transit; copper plates, strips, and foils are first covered with protective film, placed in a dry environment, wrapped with waterproof paper and moisture-proof materials, and finally packed into reinforced plywood crates or steel coil boxes to effectively resist moisture and mechanical damage; wires are neatly wound onto wooden or steel reels and firmly strapped. All packaging is clearly labeled and compliant with export standards, ensuring that your goods maintain their excellent factory condition even after long-distance sea transportation and multiple handlings.
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