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Copper Alloys C44300 | Product Overview
Introduction To Copper Alloys C44300 ADMIRALTY BRASS
MOKSH TUBES & FITTINGS LLP is a reputed manufacturer, supplier, and exporter of high-quality C44300 Admiralty Brass products including tubes, pipes, sheets, plates, coils, and customized fabricated items. C44300, also known as Admiralty Brass, is a copper-zinc alloy with a small addition of tin (around 1%) and arsenic, which enhances its corrosion resistance—especially against dezincification in marine and brackish water environments.
Copper Alloys C44300, is particularly suited for heat exchangers and condenser tubes due to its superior corrosion resistance, high thermal conductivity, and good mechanical strength. It is one of the most commonly used brass alloys in marine and desalination applications.
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Technical Specifications – C44300 Admiralty Brass
| Category | Details |
|---|---|
| Material | Admiralty Brass |
| UNS No. | C44300 |
| Alloy Type | Copper–Zinc–Tin–Arsenic Alloy |
| Copper Content | 70 – 73 % |
| Tin Content | 0.9 – 1.2 % |
| Arsenic Content | 0.02 – 0.06 % |
| Zinc Content | Balance |
| Density | ~8.49 g/cm³ |
| Magnetic Properties | Non-Magnetic |
| Heat Treatable | No |
| Strength Control | Cold Working |
| Dezincification Resistance | Excellent |
| Typical Service | Condensers & Heat Exchangers |
Chemical Composition of C44300 Admiralty Brass
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 70.0 – 73.0 |
| Zinc (Zn) | Balance |
| Tin (Sn) | 0.9 – 1.2 |
| Arsenic (As) | 0.02 – 0.06 |
| Lead (Pb) | 0.07 max |
| Iron (Fe) | 0.06 max |
Physical Properties of C44300 Admiralty Brass
| Property | Imperial | Metric |
|---|---|---|
| Density | 0.307 lb/in³ | 8.49 g/cm³ |
| Melting Point | 1630 – 1660 °F | 888 – 905 °C |
| Thermal Conductivity | 64 Btu/ft·hr·°F | 111 W/m·K |
| Electrical Conductivity | 28% IACS | — |
| Specific Heat | 0.09 Btu/lb·°F | 377 J/kg·K |
| Coefficient of Expansion | 10.2 µin/in·°F | 18.5 µm/m·K |
Heat Treatment & Fabrication of C44300
| Process | Temperature Range | Purpose |
|---|---|---|
| Annealing | 450 – 650 °C | Restores ductility |
| Stress Relieving | 250 – 350 °C | Reduces internal stress |
| Cold Working | — | Improves strength |
| Tube Expansion | — | Excellent |
| Bending & Flaring | — | Very Good |
Available Forms & Size Range – C44300 Admiralty Brass
| Product Form | Size Range |
|---|---|
| Seamless Tubes | OD 6 – 100 mm |
| Welded Tubes | OD up to 200 mm |
| Pipes | As per ASTM B111 |
| Sheets & Plates | 0.5 – 50 mm |
| Coils & Strips | 0.1 – 6 mm |
| Finned Tubes | As per heat exchanger design |
| Custom Components | As per drawing |
International Standards & Equivalent Grades – C44300
| Standard | Equivalent Grade |
|---|---|
| UNS | C44300 |
| ASTM | B111, B171, B111M |
| EN | CW508L |
| BS | CZ111 |
| ISO | CuZn28Sn1As |
| DIN | CuZn28SnAs |
| JIS | H3300 (Equivalent) |
Products in Copper Alloys C44300
Copper Alloys C44300 is available in:
✔
Seamless Pipes
✔
Welded Pipes (ERW & EFW)
✔
Tubes (Capillary, U-Bend)
✔
Sheets & Plates
✔
Coils & Strips
✔
Round Bars, Flat Bars, Hex Bars, Square Bars
✔
Pipe Fittings (Elbows, Tees, Reducers, Caps, Stub Ends)
✔
Flanges (Weld Neck, Slip-On, Blind, Socket Weld, Threaded)
✔
Fasteners (Bolts, Nuts, Screws, Washers, Studs)
✔
Custom Fabricated Components
Copper Alloys C44300 products are produced to the following global standards:
Uses and Advantages
Excellent corrosion resistance in marine & brackish waters
Good thermal conductivity for heat exchange applications
High resistance to dezincification (due to tin & arsenic)
Good ductility and ease of fabrication
Long service life in aggressive environments
Applications of Copper Alloys C44300
Copper Alloys C44300 is widely chosen for its unmatched combination of high strength, corrosion resistance, and non-magnetic properties, making it indispensable in:
Electrical & Electronics
Connectors, contacts, switches, relays, springs, EMI shielding
Marine & Shipbuilding
Condenser and heat exchanger tubing
Saltwater piping and cooling systems
Power & Desalination Plants
Tube bundles in evaporators and heaters
Heat transfer tubes in multi-stage flash (MSF) systems
HVAC & Industrial Applications
Condenser coils, air conditioning units, refrigeration piping
Petrochemical Industry
Non-oxidizing acid handling components
Plumbing
Water heaters, geysers, and industrial plumbing fittings
WHY CHOOSE US?
C44300 ADMIRALTY BRASS PRICE PER KG (INDIA)
Typical Range: ₹650 – ₹1,150 per kg
(Price varies by OD, wall thickness, form, and finish)
Contact us for exact quotation based on size and quantity.
FAQ's
What is C44300 Admiralty Brass and what makes it unique?
C44300 Admiralty Brass is a copper-zinc alloy with a small addition of tin (0.9–1.2%) and arsenic. These elements improve its corrosion resistance, especially against dezincification, making it ideal for marine and brackish water applications. It also provides good thermal conductivity and mechanical strength.
Where is C44300 Admiralty Brass commonly used?
Admiralty Brass is widely used in heat exchangers, condensers, desalination plants, saltwater piping, HVAC systems, power plants, petrochemical industries, and shipbuilding. Its excellent resistance to seawater corrosion makes it a preferred choice for marine engineering and industrial cooling systems.
What are the advantages of using Admiralty Brass C44300 over other alloys?
C44300 offers several benefits including:
- Superior corrosion resistance in marine and brackish water
- High thermal conductivity for efficient heat transfer
- Resistance to dezincification due to tin and arsenic content
- Ease of fabrication and ductility
- Long service life in harsh environments
What C44300 Admiralty Brass products does MOKSH TUBES & FITTINGS LLP supply?
We manufacture and stock a complete range of C44300 Admiralty Brass products such as seamless & welded pipes, tubes (U-bend, boiler, heat exchanger), sheets, plates, coils, bars, pipe fittings, flanges, fasteners, and custom fabricated components, all in compliance with international standards like ASTM and DIN.
Why choose MOKSH TUBES & FITTINGS LLP for Admiralty Brass materials?
MOKSH TUBES & FITTINGS LLP is a trusted global supplier with:
- Strict quality control following metallurgical standards.
- Extensive inventory of standard and custom sizes.
- Tailor-made solutions for marine, HVAC, power, and desalination sectors.
- Quick delivery & export packaging for global clients.
- Proven expertise in copper alloys for critical industrial applications.
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