CDA464 (Naval Brass, Uninhibited)

CDA464 Naval Brass is a copper-zinc-tin alloy used for marine, industrial, fastener, and structural applications. It offers excellent hot forming capacity, strong fabrication versatility, and reliable performance in demanding environments.

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Description

CDA464 Naval Brass is commonly used where brass components need strength, forming capability, and suitability for marine or industrial use. It is supplied in a range of forms including bar, rod, plate, sheet, strip, tube, wire, fasteners, and shapes.

This alloy is suitable for processes such as blanking, drawing, forming, bending, heading, upsetting, hot forging, pressing, and shearing. It also offers excellent soldering and brazing suitability, with a forgeability rating of 90.

Key Features:

  • Naval brass alloy
  • Excellent soldering and brazing suitability
  • Excellent hot forming capacity
  • Good oxyacetylene welding, spot welding, and butt welding suitability
  • Fair cold working capacity
  • Forgability rating of 90
  • Machinability rating of 30
  • Used for marine hardware, propeller shafts, fittings, fasteners, condenser plates, bushings, bearings, and structural components

PRODUCT SPECIFICATION DOWNLOAD

Element Composition Nominal
Copper (Cu) 59.0-62.0% 60.0%
Tin (Sn) 0.50-1.0% 0.7%
Lead (Pb) 0.20% max
Iron (Fe) 0.10% max
Zinc (Zn) Remainder 39.2%
Cu + Named Elements 99.6% min

 

Form Temper Section Size Tensile Strength Yield Strength Elongation
Flat Products O50 1 mm 427 MPa 207 MPa 40%
Rod H01 51 mm 462 MPa 276 MPa 35%
Rod O50 25.4 mm 434 MPa 207 MPa 40%
Rod O60 25.4 mm 393 MPa 172 MPa 47%
Rod H02 6.35 mm 552 MPa 393 MPa 20%
Tube H80 607 MPa 455 MPa 18%

 

Melting Point – Liquidus 899°C
Melting Point – Solidus 888°C
Density 8.41 g/cm³ at 20°C
Specific Gravity 8.41
Electrical Resistivity 6.63 microhm-cm at 20°C
Electrical Conductivity 0.152 MegaSiemens/cm at 20°C
Thermal Conductivity 116.0 W/m.K at 20°C
Coefficient of Thermal Expansion 21.2 x 10⁻⁶ per °C, 20-300°C
Specific Heat Capacity 377.1 J/kg.K at 293 K
Modulus of Elasticity 103400 MPa
Modulus of Rigidity 38610 MPa

 

Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding Fair
Spot Weld Good
Seam Weld Fair
Butt Weld Good
Cold Working Fair
Hot Forming Excellent
Forgeability Rating 90
Machinability Rating 30
Common Forms Bar, rod, plate, sheet, strip, tube, wire, shapes, bolts, nuts, screws and studs