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Copper Alloy C46400 | Product Overview
Introduction To NAVAL BRASS Copper Alloys C46400
MOKSH TUBES & FITTINGS LLP is a leading manufacturer, supplier, exporter, and stockist of C46400 Naval Brass products, including Pipes, Tubes, Rods, Sheets, Plates, Coils, Flanges, Fittings, Fasteners, and custom-engineered components. Known for its superior corrosion resistance in saltwater environments and high strength, Naval Brass C46400 is a copper-zinc alloy enhanced with a small amount of tin to improve corrosion resistance and mechanical properties.
Copper Alloys C46400, combines the strength and hardness of brass with the corrosion resistance of tin, making it ideal for marine and industrial applications. It exhibits excellent resistance to dezincification and offers superior hot working characteristics and moderate machinability. C46400 Naval Brass is frequently used in seawater service, propeller shafts, heat exchangers, and other components exposed to harsh environments.
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Technical Specifications – C46400 Naval Brass
| Category | Details |
|---|---|
| Material | Naval Brass |
| UNS No. | C46400 |
| Alloy Type | Copper–Zinc–Tin Alloy |
| Copper Content | 59 – 62 % |
| Tin Content | 0.75 – 1.0 % |
| Zinc Content | Balance |
| Density | ~8.39 g/cm³ |
| Magnetic Properties | Non-Magnetic |
| Heat Treatable | ❌ No |
| Strength Control | Cold / Hot Working |
| Corrosion Resistance | Excellent (Seawater) |
| Dezincification Resistance | Very Good |
Chemical Composition of C46400 Naval Brass
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 59.0 – 62.0 |
| Zinc (Zn) | Balance |
| Tin (Sn) | 0.75 – 1.00 |
| Lead (Pb) | 0.07 max |
| Iron (Fe) | 0.06 max |
| Others (Al, Ni) | Trace |
Physical Properties – C46400 Naval Brass
| Property | Imperial Units | Metric Units |
|---|---|---|
| Density | 0.303 lb/in³ | 8.39 g/cm³ |
| Melting Point | 1630 – 1660 °F | 888 – 905 °C |
| Thermal Conductivity | 63 Btu/ft·hr·°F | 109 W/m·K |
| Electrical Conductivity | 28% IACS | — |
| Modulus of Elasticity | 16,000 ksi | 110 GPa |
Heat Treatment & Fabrication of C46400 Naval Brass
| Process | Temperature Range | Purpose |
|---|---|---|
| Annealing | 450 – 650 °C | Restore ductility |
| Stress Relieving | 250 – 350 °C | Reduce internal stresses |
| Hot Working | 650 – 760 °C | Forging & extrusion |
| Cold Working | — | Increase strength |
| Brazing / Soldering | — | Excellent |
Mechanical Properties – C46400 Naval Brass
| Condition | Tensile Strength | Yield Strength (0.5%) | Elongation (%) | Hardness (HRB) |
|---|---|---|---|---|
| Half-Hard (H02) | ≥ 54–60 ksi (372–414 MPa) | ≥ 22–27 ksi (152–186 MPa) | 22 – 30 | 55 – 80 B |
International Standards & Equivalent Grades – C46400
| Standard | Equivalent Grade |
|---|---|
| UNS | C46400 |
| ASTM | B21, B122, B124, B171 |
| SAE | CA464 |
| EN | CW712R |
| BS | CZ112 |
| ISO | CuZn40Sn1 |
| DIN | CuZn40Sn |
Products in Copper Alloys C46400
Copper Alloys C46400 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 C46400 products are produced to the following global standards:
Uses and Advantages
Excellent corrosion resistance in salt and brackish water
High strength and good ductility
Excellent hot formability and moderate cold workability
Good resistance to dezincification and stress corrosion
Ideal balance between machinability and durability
Applications of Copper Alloys C46400
Copper Alloys C46400 is widely chosen for its unmatched combination of high strength, corrosion resistance, and non-magnetic properties, making it indispensable in:
Marine Engineering
Propeller shafts, marine hardware, seawater piping, condenser tubes
Heat Exchangers & Desalination
Tubesheets, evaporator plates, and components used in brine and saltwater systems
Shipbuilding & Offshore Structures
Valves, fasteners, hull fittings, rudders, and structural supports
Industrial Applications
Bushings, bearings, washers, and valve stems in water, oil, and gas systems
Architectural and Decorative
Used in antique fittings, nautical-themed décor, railings, and more due to its bright gold-like appearance and corrosion resistance
WHY CHOOSE US?
C46400 NAVAL BRASS PRICE PER KG (INDIA)
Typical Range: ₹700 – ₹1,200 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 C46400 Naval Brass and why is it important?
C46400 Naval Brass is a copper zinc alloy with 0.75–1% tin, designed to improve corrosion resistance, strength, and durability. It is widely used in marine environments, seawater piping, propeller shafts, and industrial applications due to its excellent dezincification resistance and hot working properties.
What are the main applications of Naval Brass C46400?
C46400 is commonly used in shipbuilding, marine hardware, condenser tubes, propeller shafts, offshore structures, heat exchangers, desalination plants, bushings, valve stems, bearings, and architectural fittings. Its gold like finish also makes it popular for decorative and nautical themed applications.
What are the key advantages of using C46400 Naval Brass?
The alloy offers several benefits:
- Superior corrosion resistance in saltwater and brackish water.
- High strength and ductility for heavy duty use.
- Resistance to dezincification and stress corrosion.
- Good hot formability and moderate machinability.
- Long service life in harsh marine and industrial environments.
What types of C46400 Naval Brass products does MOKSH TUBES & FITTINGS LLP supply?
We offer a complete range of C46400 Naval Brass products, including pipes, tubes, rods, sheets, plates, coils, flanges, pipe fittings, fasteners, and custom engineered components. All products are manufactured in compliance with ASTM, DIN, and other international standards.
Why choose MOKSH TUBES & FITTINGS LLP for Naval Brass materials?
MOKSH TUBES & FITTINGS LLP is a trusted manufacturer and exporter with:
- High quality products meeting global standards.
- Custom fabrication for project specific requirements.
- Large stock availability and ready to ship inventory.
- Reliable export services with documentation support.
- Expertise in serving marine, shipbuilding, industrial, and desalination sectors worldwide.
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