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METALCO supplies copper, brass, and bronze semi-finished products for OEMs and distributors worldwide — with documented quality, export packing, and technical support you can rely on.

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Ca104 Nickel Aluminium Bronze Hollow Bar

Nickel Aluminium Bronze Hollow Rods / Ca104 Nickel Aluminium Bronze Hollow Bar

CA104 Nickel Aluminium Bronze Hollow Bars are high-performance copper alloy tubes designed for demanding marine and industrial applications. They offer exceptional strength, superior wear resistance, excellent corrosion protection, and high load-bearing capacity, making them ideal for bushings, bearings, valve components, pumps, offshore equipment, and heavy-duty engineering machinery.

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Description
Chemical Composition
Physical Properties
Sizes Available

The C63200 Nickel Aluminum Bronze alloy possess superior salt water corrosion resistance. It also is resistant to cavitation and erosion. Along with the advantage of pressure tightness, this high strength alloy is excellent for welding and is available in many forms at a lower cost to you.

Typical Applications:

Industrial: Bearing Cages, Sleeve Bearings, Valve Stems, Shafts, Cams, Sea Water Valves, Sea Water Pump Bodies, Bushings
Fasteners: Fasteners, Sea Water, Nuts, Bolting
Marine: Drive Shafts, Marine Service

Equivalent Specifications

SPECIFICATIONS	DESIGNATION
ISO	CuAl9Fe4Ni4
UNS	C63280

Chemical Composition

	Al	Cu	Fe	Pb	Mn	Ni	Si
Min/Max	8.7 - 9.5	Rem	3.5 - 4.3	0.02	1.2 - 2.0	4.0 - 4.8	0.1
Nominals	9	82	4	-	1.6	4.4	-

Specifications

End Product	Specification
Bar	ASTM B150
Bar, Forging	ASTM B124
Electrode, Welding	AWS A5.6, MILITARY MIL-E-23765/3
Forgings, Die	ASTM B283
Plate	ASTM B171
Rod	ASTM B150
Rod, Forging	ASTM B124
Shapes	ASTM B150
Shapes, Forging	ASTM B124

Fabrication

Joining Technique	Suitability
Brazing	Fair
Butt Weld	Good
Capacity for Being Cold Worked	Fair
Capacity for Being Hot Formed	Good
Coated Metal Arc Welding	Good
Forgeability Rating	70
Gas Sheilded Arc Welding	Excellent
Machinability rating	30
Oxyacetylene Welding	Not Recommended
Seam Weld	Fair
Soldering	Fair
Spot Weld	Good

Physical Properties

Product Property	US Customary	Metric
Coefficient of Thermal Expansion	9.0 10−6Per °F (68-572 F)	16.2 Â· 10 6? per Â°C (20-300 C)
Density	0.276 lb/in3 @ 68 F	7.64 gm/cm3 @ 20 C
Electrical Conductivity	7 %IACS @ 68 F	0.041 MegaSiemens/cm @ 20 C
Electrical Resistivity	148.0 ohms-cmil/ft @ 68 F	24.6 microhm-cm @ 20 C
Melting Point Liquid US	1940 F	1060 C
Melting Point Solid US	1905 F	1041 C
Modulas of Elasticity in Tension	17000 ksi	117000 MPa
Modulas of Rigidity	6400 ksi	44130 MPa
Specific Gravity	7.64	7.64
Specific Heat Capacity	.105 Btu/lb/Â°F @ 68 F	440.0 J/kg Â· Â°K at 293 K
Thermal Conductivity	20.0 Btu Â· ft/(hr Â· ft2 Â·Â°F) @ 68 F	34.6 W/m Â· Â°K at 20 C