What is H62 brass?
H62 brass tubing is a copper-zinc alloy tubing with a copper content of approximately 62%, conforming to national standards for impurity content, particle size, softening temperature, and other indicators. This product possesses excellent hot-state plasticity, machinability, and corrosion resistance, making it suitable for brazing, welding, and deep processing. It is widely used in welding applications in industries such as petroleum, chemical, food, aerospace, and construction, and its mechanical properties include a tensile strength of not less than 390 MPa.
Basic Composition of H62 Brass
The main components of H62 brass are copper (Cu) and zinc (Zn), with copper content ranging from approximately 60.5% to 63.5%, and zinc making up the remainder. Additionally, H62 brass contains trace elements such as lead (Pb), iron (Fe), beryllium (Be), antimony (Sb), tin (Sn), sulfur (S), among others. The presence of these elements influences the properties of H62 brass to a certain extent.
Density
The density of H62 brass is approximately 8.4 g/cm³. This density provides a balance between weight and strength, making it suitable for manufacturing components that require both mechanical strength and manageable weight.
Melting Point
The melting point range of H62 brass is between 900°C and 940°C. Due to its relatively high melting point, H62 brass maintains good physical and chemical stability in high-temperature environments. Consequently, it is widely used in components such as heat exchangers and radiators that operate under elevated temperatures.
Thermal Conductivity
The thermal conductivity of H62 brass is approximately 120 W/(m·K). Its high thermal conductivity makes H62 brass an excellent material for heat exchange and dissipation applications. It is particularly ideal for manufacturing devices like radiators and heat exchangers that require efficient heat transfer.
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Electrical Conductivity
The electrical conductivity of H62 brass is approximately 28% IACS (International Annealed Copper Standard). Although not as high as that of pure copper, this level of conductivity is sufficient for most applications, especially where a balance between strength and conductivity is required.
Mechanical Properties
Tensile Strength
The tensile strength of H62 brass ranges from approximately 340 to 540 MPa. This indicates that H62 brass possesses high tensile strength and can withstand significant tensile stress without fracturing easily.
Yield Strength
The yield strength of H62 brass ranges from approximately 110 to 360 MPa. This signifies that beyond this stress level, the material will undergo plastic deformation and not return to its original shape.
Elongation
The elongation of H62 brass is approximately 30%. This means that before fracturing, the material can stretch up to 30% of its original length, demonstrating good plasticity and toughness.
Hardness
The hardness of H62 brass (Brinell hardness) ranges from approximately 80 to 150 HB. This hardness range provides a balance between sufficient hardness and good machinability, making it suitable for manufacturing various mechanical components.
Application Areas of H62 Brass
Electronics and Electrical Appliances: Used in manufacturing electronic components such as plugs, sockets, and switches.
Architectural Decoration: Used in building decoration materials such as doors, windows, decorative panels, and handrails.
Mechanical Manufacturing: Used in manufacturing mechanical components such as bushings, gears, and nuts.
Shipbuilding Industry: Used in manufacturing ship fittings, such as propellers and hull decorations.
Automotive Industry: Used in manufacturing automotive components such as radiators, oil coolers, and braking systems.
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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