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Zhuji Sikailiwei Import And Export Co., Ltd.
Sikailiwei Import And Export Co., Ltd. is professional China Brass Fittings manufacturers and custom Brass Fittings suppliers. Our factory was located in the town of Zhuji city shop, and traffic is convenient. Enterprises from home and abroad with the introduction of international advanced PP-R pipe, PP-R pipe, antibacterial, glass fiber reinforced PP-R pipe, PE pipe,l pipe production line, the company implemented IS09001:2000 quality management system certification and IS014001environmentl system certification. Company to "focus on the cause of human health, to create a harmonious exquisite life" as its mission. Henke Pipeline is a design, manufacturing, sales, and installation in one of the pipe manufacturers. Create pipe industry famous brand, in Europe and the United States, absorb advanced technology and experience, research and development of high pure OEM Brass Fittings .
The company has domestic and foreign advanced production equipment, production of full compliance with the twenty-first Century real green environmental protection pipe, and products widely used in tap water, solar, gas and heating, and mining industry, there are many varieties, all specifications, beautiful appearance, excellent performance, excellent quality characteristics.


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Industry knowledge about Brass Fittings

How does brass demonstrate corrosion resistance?

Brass demonstrates corrosion resistance primarily due to its composition, which typically includes a combination of copper and zinc. 
Formation of Protective Oxide Layer: When exposed to the atmosphere, brass undergoes a natural process called oxidation. A thin layer of oxide forms on the surface of the brass, acting as a protective barrier against further corrosion. This oxide layer helps prevent the underlying metal from direct contact with corrosive agents.
Copper Content: Copper, a significant component of brass, exhibits excellent corrosion resistance. The high copper content in brass contributes to its ability to resist corrosion in various environments. Copper oxide that forms on the surface provides a protective patina.
Alloying Elements: The addition of other alloying elements, such as small amounts of lead or tin, can enhance the corrosion resistance of brass. These elements can influence the microstructure of the alloy and improve its overall resistance to corrosion.
Self-Healing Properties: Brass has self-healing properties to a certain extent. If the protective oxide layer is damaged or scratched, the metal can react with the surrounding environment to repair and regenerate the protective layer, preventing further corrosion.
Galvanic Compatibility: In certain applications, brass fittings are chosen for their galvanic compatibility with other materials. This means that when brass comes into contact with dissimilar metals, it tends to corrode less compared to if those metals were paired with each other.
Acid Resistance: Brass is generally resistant to mild acids, making it suitable for applications where exposure to acidic substances is a concern. However, its resistance can vary depending on the specific alloy composition.

What are the temperature and pressure limitations of brass fittings?

The temperature and pressure limitations of brass fittings can vary based on the specific alloy composition of the brass, the type of fitting, and the application. Brass is a metal alloy primarily composed of copper and zinc, and sometimes other elements.
Temperature Limitations:
Brass fittings typically have good temperature resistance for a wide range of applications. However, the specific temperature limits can depend on the brass alloy composition.
Common brass alloys, such as C36000 (free-cutting brass) or C46400 (naval brass), can generally handle temperatures ranging from -40°C to 150°C (-40°F to 300°F).
For high-temperature applications, brass may not be suitable, and alternative materials like stainless steel or specific high-temperature alloys may be recommended.
Pressure Limitations:
The pressure rating of brass fittings depends on factors such as the type of fitting, its design, and the size. Different fittings (e.g., couplings, elbows, tees) may have different pressure ratings.
In general, brass fittings are suitable for moderate to high-pressure applications. Pressure ratings can vary widely, but common ranges for brass fittings might be 200 to 1,000 psi or more, depending on the size and type of fitting.
It's crucial to consult manufacturer specifications or industry standards for precise pressure ratings based on the specific type of brass fitting and application.
Corrosion and Dezincification:
Brass is susceptible to dezincification, a form of corrosion that occurs in certain aggressive environments, particularly those with high acidity or high chloride concentrations.
When exposed to dezincification, the mechanical strength of the brass can be compromised, affecting both temperature and pressure capabilities.