Dec 30, 2025 Leave a message

Brass Coil & Strip H96

What is H96 brass?

H96 brass is a copper-zinc alloy with a copper content ranging from 95.0% to 97.0%, zinc as the remainder, and trace amounts of elements such as nickel, iron, and lead. The total impurity content does not exceed 0.2%.

 

Mechanical Properties

Strength is higher than pure copper but relatively low among common brass alloys.

Tensile strength is typically above 205 MPa, with some sources indicating values as high as 320 MPa or more.

Elongation generally exceeds 10%, with some data showing elongation rates of 3% or higher (e.g., 45%–55%).

It exhibits good toughness and ductility, making it easy to process through cold or hot pressure working methods such as extrusion, rolling, stamping, drawing, and forging.

 

Physical Properties

Density is approximately 8.85 g/cm³.

Electrical conductivity is about 28% IACS (International Annealed Copper Standard), and thermal conductivity is approximately 120 W/m·K, indicating good electrical and thermal performance.

Melting point ranges from 950°C to 1050°C.

 

Chemical Properties

It demonstrates high corrosion resistance in atmospheric and freshwater environments and shows no tendency for stress corrosion cracking.

Trace elements such as iron and lead can enhance the strength and hardness of the brass to some extent, improving its machinability.

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Application Areas

Electrical Field: Used in manufacturing conductive components such as electrical connectors, plugs, and sockets, where its excellent conductivity ensures stable and efficient current transmission. Also employed in thermal management components like heat sinks and heat exchangers, leveraging its good thermal conductivity for effective heat dissipation and temperature control.

Mechanical Field: Utilized in producing mechanical parts such as valves, gears, and bearings. Its high strength and good machinability enable these parts to withstand significant loads and complex manufacturing processes.

Architectural and Decorative Field: Used to create decorative components like door handles and window frames. Its aesthetically pleasing golden-yellow appearance and high corrosion resistance ensure both visual appeal and long-term durability.

Automotive Manufacturing: Applied in producing automotive components such as radiators and cooling pipes. Its high strength and thermal conductivity allow H96 brass to dissipate heat effectively, ensuring the stability and durability of automotive parts during prolonged use.

 

Heat Treatment Processes

The heat treatment processes for H96 brass primarily include hot working and annealing:

Hot Working Temperature: 775°C–850°C. Within this range, H96 brass exhibits good plasticity and workability, facilitating various cold and hot pressure working processes.

Annealing Temperature: 540°C–600°C. Annealing helps eliminate internal stresses generated during processing, improves the material's plasticity and ductility, and enhances its adaptability and machinability.

 

FAQ

Q: What exactly is H96 material?
A: H96 is a copper-zinc alloy (brass) with a nominal composition of 96% copper and 4% zinc. It is known as Gilding Metal 96% or by its UNS number C21000. It is the brass grade with the highest copper content and lowest zinc content.
Q: What are the key properties of H96 (C21000) brass?
A: Its key properties are:
Excellent thermal and electrical conductivity (the highest among common brasses).
Very good corrosion resistance (close to pure copper).
Good ductility and formability for both cold and hot working.
Characteristic reddish-gold color, making it aesthetically pleasing.
Q: How does H96 differ from pure copper (like T2/C11000)?
A: While very close to pure copper, the small addition of zinc (4%) in H96 provides slightly higher strength, hardness, and wear resistance than pure copper, while retaining most of its conductivity and corrosion resistance. It is often a more cost-effective and durable alternative for many applications.
Q: What are the most common applications for H96 brass?
A: Common applications include: Waveguides, heat exchanger/condenser tubes, heat sinks, electrical conductivity springs, jewelry, medals, commemorative coins, decorative architectural trim, and nameplates.
Q: Can H96 brass be welded or soldered?
A: Yes, it has excellent solderability and brazability. However, welding can be challenging due to its high thermal conductivity and zinc content, which can lead to porosity and zinc fume. Specialized techniques (like TIG welding with proper filler metal) are required.
Q: What are the main standards that cover H96/C21000?
A: It is covered by various international standards:
China: GB/T 5231 (H96)
USA: ASTM B36 (C21000 for sheet/plate/strip), ASTM B134 (C21000 for wire)
Europe: EN CW500L (similar composition)
Japan: JIS C2100
Q: Is H96 brass resistant to dezincification?
A: Yes, it has very high resistance to dezincification due to its high copper content (above 85%). This makes it suitable for use in certain aqueous environments where lower-copper brasses (like H70, H62) would be susceptible.

 

Our product range

Category Other Key Grades (Extensive Range) Product Forms Typical Size Range
Pure Copper T2 (C11000/C10100), TU1/TU2 (Oxygen-Free), T3 (C11000), C10100, C10200 (OF), C10300, C10400, C10500, C10700, C10800, C11000, C11300, C11400, C11500, C11600, C12000, C12200 Pipe/Tube, Plate/Sheet, Coil/Strip, Wire/Rod, Busbar Pipe/Tube: OD 3mm - 400mm, WT 0.5mm - 15mm
Sheet/Plate/Coil: Thk 0.1mm - 50mm, Width ≤ 1250mm
Wire/Rod: Dia. 0.5mm - 80mm
Phosphorus Deoxidized Copper TP2 (C12200), C1201, C1220, C12200, C14200 Pipe/Tube, Plate/Sheet, Coil/Strip Pipe/Tube: OD 4mm - 300mm, WT 0.5mm - 10mm
Sheet/Plate/Coil: Thk 0.2mm - 30mm, Width ≤ 1000mm
Brass H96, H68, H65, H70, HPb59-1 (C3771), CW505L (C12200), C2600 (Cartridge Brass), C2680, C2720, C28000, C36000 (Free-Cutting), C38500 Coil/Strip, Plate/Sheet, Rod/Bar, Wire Strip/Sheet/Coil: Thk 0.05mm - 10.0mm, Width ≤ 650mm
Rod/Bar: Dia. 3mm - 200mm
Wire: Dia. 0.5mm - 12mm
Bronze & Other Alloys Phosphor Bronze: C51000, C52100, C54400
Copper-Nickel: C71500, C71640
Aluminum Bronze: C60600, C63000
Beryllium Copper: C17200, C17500
Other: C19210, C19400
Strip/Coil, Plate, Rod/Bar, Wire, Pipe Customizable per alloy and form.
Strip/Coil: Thk 0.05mm - 5.0mm
Rod/Bar: Dia. up to 150mm

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