C26000 CuZn30 Brass Sheet
Brass coil is a metal product made from copper-zinc alloy, known for its golden appearance, excellent corrosion resistance, and good thermal/electrical conductivity. It is widely used in plumbing, electronics, automotive, and decorative applications due to its durability, malleability, and aesthetic appeal. Brass coils are available in various compositions, such as standard brass or specialty alloys with added elements like aluminum or tin, to enhance specific properties like strength or marine resistance. Surface treatments can further improve their performance and appearance, making them versatile for industrial and artistic uses.
Description
Product details table:
| Item | Details |
|---|---|
| Product | Brass coil / brass strip |
| Standard | JIS H3250-2006, ASTM B152M, GB/T2040-2008, ASTM B36, ASTM B194, ASTM B888, ASTM B19, ASTM B122, etc. |
| Material | C21000, C22000, C22600, C23000, C24000, C26000, C26130, C26800, C27000, C27200, C27400, C28000, H59, H62, H80, CuZn40, CuZn37, CuZn39, C61400, etc. |
| Thickness | 0.1-20mm |
| Width | 1-1500mm |
| Surface | Mill finish, bright finish, mirror finish, brushed finish, hairline finish, sandblasted finish, antique finish, checkered finish, etc. |
| Price Term | Ex-Work, FOB, CNF, CFR, CIF, FCA, DDP, DDU, etc. |
| Payment Term | TT, L/C, Western Union |
| Package | Standard export package, suitable for all kinds of transportation, or as required. |
| Container Size | 20ft GP: 5898mm (Length) x 2352mm (Width) x 2393mm (High) 40ft GP: 12032mm (Length) x 2352mm (Width) x 2393mm (High) 40ft HC: 12032mm (Length) x 2352mm (Width) x 2698mm (High) |
| Application | Brass coil has high corrosion resistance and good plasticity. It is easy to carry out cold and hot pressure processing in the air, and is easy to weld, forge and tin. There is no tendency of stress corrosion cracking. |
Physical and chemical properties:
Physical properties
Appearance:
It usually presents a golden yellow metallic color, with a smooth surface and bright luster. Different surface effects can be obtained through different surface treatment processes, such as polishing, brushing, or electroplating, which enhances its aesthetic appeal and corrosion resistance.
Density:
The density of brass is generally between 8.4-8.7 g/cm³, depending on the specific composition (e.g., the ratio of copper to zinc). For example, common brass with higher copper content has a density closer to 8.5 g/cm³, making it slightly denser than stainless steel.
Melting point:
The melting point of brass varies depending on its composition but typically ranges from 880°C to 950°C. This relatively lower melting point compared to stainless steel makes brass easier to process and cast into various shapes, such as coils.
Coefficient of thermal expansion:
The coefficient of thermal expansion for brass is moderate, approximately 19-22 × 10⁻⁶/°C in the range of room temperature to 100°C. This characteristic ensures good dimensional stability in environments with fluctuating temperatures.
Thermal conductivity:
Brass exhibits excellent thermal conductivity, with a coefficient of about 109-125 W/(m·K), which is significantly higher than that of stainless steel. This property makes brass an ideal material for heat exchangers and other applications requiring efficient heat transfer.
Electrical conductivity:
Brass has good electrical conductivity, although it is lower than pure copper. The electrical conductivity of brass typically ranges from 25% to 40% of that of pure copper, depending on its composition. This makes it suitable for electrical components and connectors.
Chemical properties
Corrosion resistance:
Brass coil exhibits good corrosion resistance, especially in atmospheric and freshwater environments. A naturally formed oxide layer on its surface protects it from further oxidation. However, in the presence of ammonia, certain acids, or high-moisture environments, stress corrosion cracking may occur. Adding elements like aluminum or tin improves its corrosion resistance, particularly in marine environments.
Antioxidation:
Brass has moderate oxidation resistance at room temperature and high temperatures. Alloys with higher copper content exhibit better resistance to oxidation, making them suitable for use in moderately high-temperature applications.
Chemical stability:
In general chemical media, brass demonstrates good stability and does not easily react with weak acids or alkalis. However, in strong corrosive environments, such as exposure to hydrochloric acid, nitric acid, or ammonium compounds, the corrosion resistance of brass may be compromised.
Passivation:
Unlike stainless steel, brass does not form a passive film in the same way. However, surface treatments such as electroplating or lacquering can enhance its corrosion resistance and durability by creating a protective barrier against environmental factors.
Application:
Brass coils are widely used in many fields due to their excellent combination of properties, including corrosion resistance, high strength, and ease of fabrication. In the plumbing industry, they are used to manufacture pipes, fittings, and valves, ensuring leak-free performance. In the electronics industry, brass coils are used for connectors, terminals, and electrical components due to their good electrical conductivity. In the building decoration industry, they are often used for decorative items, door handles, and railings, combining beauty with durability. In mechanical manufacturing, brass coils are processed into gears, bearings, and other precision parts, ensuring stable operation of equipment. Additionally, in the fields of musical instruments, automotive radiators, and heat exchangers, brass coils are indispensable due to their superior thermal and acoustic properties.
FAQ
Q1.What range of steel products does your factory produce?
Our factory manufactures a comprehensive array of steel products, including but not limited to, structural beams, steel bars, plates, and coils. We also offer bespoke solutions catering to specific dimensions and compositions as per customer requirements.
Q2.Are your steel products certified or graded, and how can I trust their quality?
Absolutely, all our steel products adhere to international standards and undergo rigorous quality assurance tests. We hold various certifications, including ISO 9001, emphasizing our commitment to quality. Each product batch comes with a certification detailing its grade and compliance standards.
Q3.Can your factory handle bulk orders within short time frames?
Yes, we are equipped to manage significant order volumes even within constrained timelines, thanks to our advanced operational processes, sizable workforce, and efficient logistics network. However, we always suggest contacting us with specifics as early as possible for the best outcomes.
Q4.How does your company ensure the sustainability of production?
Sustainability is at the core of our operations. We utilize energy-efficient technologies, recycle scrap material, and follow strict environmental protocols to minimize our ecological footprint. Our commitment extends beyond compliance, aiming for a future-focused, sustainable approach in all we do.
Q5.What measures are in place to ensure the safety and welfare of workers in your factory?
Worker safety is paramount. Our factory complies with all health and safety regulations, providing regular training, enforcing strict on-site protocols, and equipping our staff with advanced safety gear. We believe a safe worker is an empowered worker.
Q6.Do you offer customized steel solutions for specific industry needs?
Certainly. We pride ourselves on our capability to provide tailored solutions. Our team of experts collaborates closely with clients to understand their needs, offering custom compositions, cuts, and finishes unique to their project demands.
Q7.How do you handle logistics and transportation, and can customers track their orders?
We manage logistics through trusted partners, ensuring timely and safe deliveries. Customers receive tracking information once orders are dispatched and can monitor their shipment in real-time. Additionally, our customer service team is always on standby to assist.
Q8.What is your policy on returns or defective products?
We stand by the quality of our products. In the rare instance of defects or non-compliance, we have a transparent return or exchange policy. Clients are encouraged to reach out within a specified period after receipt, and we promise a swift, fair resolution in line with our terms and conditions.
