Have you ever heard of admiralty brass tubes? This type of brass is used in various applications due to its unique properties. Admiralty brass is a type of brass that contains copper, zinc, and some trace elements. This blog post will explore the composition, properties, and uses of Admiralty brass tubes.
What Are Admiralty Brass Tubes?
Admiralty Brass Tubes are a type of brass alloy specifically designed for use in marine environments. They comprise 70% copper, 29% zinc, and trace amounts of tin and lead. This unique combination gives the tubes exceptional corrosion resistance, making them ideal for seawater applications such as cooling systems, heat exchangers, and condensers. Additionally, Admiralty Brass Tubes have high strength and excellent thermal conductivity properties, making them suitable for various industrial applications.
Composition Of Admiralty Brass Tubes
Admiralty brass contains 71-74% copper, 1-2% iron, 0.05-0.1% arsenic, 0.03-0.1% phosphorus, and the balance is zinc. It is a type of alpha-beta brass and has excellent corrosion-resistant properties. The presence of arsenic in the composition improves its corrosion resistance in seawater.
Properties Of Admiralty Brass Tubes
Admiralty Brass Tubes are highly ductile and have good thermal conductivity. They have good to excellent corrosion resistance to seawater, brine, and non-oxidizing acids. The tubes are also resistant to erosion and have good biofouling resistance. Admiralty brass tubes exhibit good machinability, weldability, and solderability properties.
Uses Of Admiralty Brass Tubes
Admiralty brass tubes are used in various applications, including marine, offshore oil and gas, power generation, and HVAC (heating, ventilation, and air conditioning). In marine applications, these tubes are used in heat exchangers, condensers, and coolers due to their excellent seawater corrosion resistance. The tubes are also used in desalination plants, where seawater is converted into freshwater. In power generation, admiralty brass tubes are used in boilers and heat exchangers due to their high resistance to corrosion and erosion. HVAC systems use admiralty brass tubes in air-handling units, where high thermal conductivity is required.
Advantages Of Admiralty Brass Tubes
Admiralty brass tubes have many advantages, including excellent corrosion resistance, high ductility, biofouling resistance, and good machinability. They are also readily available and easy to fabricate.
Admiralty brass tubes are a type of brass that contains copper, zinc, and some trace elements. They are highly ductile, have excellent corrosion-resistant properties, and are used in various applications. Due to their unique properties, Admiralty brass tubes are commonly used in marine, offshore oil and gas, power generation, and HVAC systems. These tubes have many advantages and are readily available, making them an excellent choice for various applications.
Our product range
| Product Category | Key Grades / Alloys | Common ASTM Standards (Examples) | |
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| Copper Tubes / Pipes | C10100 (OFE), C10200 (OF), C11000 (ETP), C12000 (DLP), C12200 (DHP), C19200, C23000 (Red Brass) | ASTM B68 (Seamless Copper Tube), ASTM B75 (Seamless Copper Tube), ASTM B88 (Water Tube), ASTM B280 (ACR/Refrigeration Tube) |
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| Copper Sheets / Plates | C10100, C10200, C11000, C12200, C26000 (Cartridge Brass), C26800, C70600 (90-10 CuNi), C71500 (70-30 CuNi) |
ASTM B152 (Copper Sheet/Strip), ASTM B248 (Copper Plate) |
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| Copper Rods / Bars | C10100, C11000, C14500 (Tellurium Copper), C14700 (Sulfur Copper), C36000 (Free-Cutting Brass), C46400 (Naval Brass) |
ASTM B133 (Copper Rod/Bar), ASTM B16 (Free-Cutting Brass Rod) |
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| Copper Wires | C10100, C10200, C11000 | ASTM B1 (Hard-Drawn Copper Wire), ASTM B2 (Medium-Hard Copper Wire), ASTM B3 (Soft/Annealed Copper Wire) |
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| Copper Foils | C10100, C10200, C11000 | ASTM B103 (Phosphor Bronze Strip/Foil),* ASTM B152 (Copper Strip/Foil), IPC-4562 (PCB Foil Standards) |
Our factory
We are a leading manufacturer specializing in a comprehensive range of precision copper products, including tubes, sheets, rods, wires, and foils. Our advanced manufacturing facility operates with a full suite of modern equipment-from hot rolling mills and extrusion presses to precision drawing machines and automated finishing lines-enabling strict control over every production stage.
Committed to excellence, we adhere to major international standards such as ASTM, EN, JIS, and GB, supported by a rigorous quality management system. Our products serve diverse industries, including HVAC&R, electrical and electronics, automotive, construction, and industrial engineering. With strong in-house technical expertise, flexible customization capabilities, and a reliable supply chain, we deliver high-performance, cost-effective copper solutions to partners worldwide.
copper product packaging
To ensure every copper product you order receives reliable protection throughout transportation and storage, we provide systematic professional packaging solutions based on product type and shipping requirements. These include export-standard wooden crates, moisture-proof reinforced cartons, steel-structure pallet bundling, stretch film protection, and specialized end caps for tubing. Each batch of products undergoes cleaning and anti-rust treatment, followed by layered isolation wrapping using materials such as anti-rust paper, polyethylene foam, and bubble wrap to effectively prevent scratches and impacts. We also offer nitrogen-filled modified atmosphere packaging upon customer request, where inert nitrogen is injected into a sealed environment to significantly inhibit oxidation and moisture erosion. This is particularly suitable for copper materials with high surface quality requirements, long-term storage, or special environmental transportation, ensuring the products maintain their factory-level finish and performance upon arrival. All packaging is clearly labeled and accompanied by complete shipping documentation to ensure full traceability and ease of handling throughout the logistics process.
