• Phone: 1-860-318-7335
  • sales@drawnmetal.com
  • Made In The USA

Naval Brass Copper Alloy - CDA 464

Naval Brass Copper Alloy, CDA 464, is a high-strength copper alloy composed primarily of copper, zinc, and a small amount of tin, known for its excellent corrosion resistance, especially in marine environments. It is commonly used in shipbuilding, marine hardware, and various industrial applications where durability and resistance to seawater are essential.

Chemical Composition

Element

Composition (%)

Copper (Cu)

59.0-62.0

Zinc (Zn)

Rem.

Tin (Sn)

0.5-1.0

Lead (Pb)

0.20 max

Iron (Fe)

0.10 max

 

Physical Properties

Property

Value

Density

0.304 lb/in³ (8.41 g/cm³)

Melting Range

1,630-1,650°F (888-899°C)

Hot Working Range

1,202-1,500°F (650-816°C)

Specific Heat

0.090 Btu/lb/°F @ 68°F (0.377 J/g/°C @ 20°C)

Magnetic Permeability

<1.01

Thermal Conductivity

67 Btu/ft²/ft·h·°F @ 68°F (116 W/m·K @ 20°C)

Electrical Resistivity

2.61 μΩ·in

Electrical Conductivity

26% IACS @ 68°F (20°C)

Thermal Expansion Coefficient

11.8 × 10⁻⁶ in/in/°F (68-572°F)

Modulus of Elasticity

15,000 ksi (103 GPa)

Modulus of Rigidity

5,660 ksi (39 GPa)

Poisson's Ratio

0.34

Mechanical Properties

Property

Value

Tensile Strength

55,000-88,000 psi (379-607 MPa)

Yield Strength

24,900-66,000 psi (172-455 MPa)

Elongation at Break

20-50% (depending on temper)

Hardness

55-135 Brinell (depending on temper)

Modulus of Elasticity

15,000 ksi (103 GPa)

Shear Modulus

5,660 ksi (39 GPa)

Poisson's Ratio

0.34

Machinability

30% (of free-cutting brass)

Shear Strength

39,900-43,900 psi (275-303 MPa)

Thermal Properties

Property

Value

Thermal Conductivity

67 Btu/ft²/ft·h·°F @ 68°F (116 W/m·K @ 20°C)

Specific Heat

0.090 Btu/lb/°F @ 68°F (377 J/kg·K @ 20°C)

Thermal Expansion Coefficient

11.8 × 10⁻⁶ in/in/°F (68-572°F)

Melting Range

1,630-1,650°F (888-899°C)

Hot Working Range

1,202-1,500°F (650-816°C)

Fabrication Properties

Property

Characteristic

Capacity for Cold Working

Fair

Capacity for Hot Forming

Excellent

Machinability (Free Cutting Brass = 100)

30

Soldering

Excellent

Brazing

Excellent

Oxyacetylene Welding

Good

Gas Shielded Arc Welding

Fair

Coated Metal Arc Welding

Not Recommended

Resistance Welding - Spot

Good

Resistance Welding - Seam

Fair

Resistance Welding - Butt

Good

Common Applications

Common applications for Naval Brass Copper Alloy (CDA 464) include:

  • Marine Hardware: Components such as cleats, fittings, and fasteners.
  • Shipbuilding: Used in the construction of vessels, especially in areas exposed to seawater.
  • Piping Systems: Suitable for seawater piping and plumbing.
  • Valves and Pumps: Components that require corrosion resistance in marine environments.
  • Electrical Connectors: Used in marine electrical systems due to good conductivity.
  • Heat Exchangers: Applications where efficient heat transfer and corrosion resistance are critical.
  • Propeller Shafts: Offers strength and resistance to seawater corrosion in propulsion systems.

How Can Drawn Metal Help

If you have any queries about the metal products that we offer, don’t hesitate to get in touch with us. 

 

Stop Wasting Time

Download our DMT Brochure

ddd 1
Download our DMT Brochure
Click here for pdf.
Download Now