naval bronze and naval brass
Naval Brass, Naval Bronze - S.A.E. CA 464


The excellent strength and corrosion resistance of this alloy, together with its comparatively low cost, make it a favorite for shafting. It has fair machining qualities but is readily hot worked. Typical uses include valve stems, rivits, nuts, marine hardware and screw machine parts.

Nominal Chemical Composition:
Copper 60.5%
Zinc 39.75%
Tin 0.75%

Typical Mechanical Properties
Tensile Strength, psi 75,000
Yield Strength, psi 53,000
Elongation, % in 2" 20
Shear Strength, psi 44,000
Rockwell Hardness, B Scale 82

Typical Physical Properties
Density, Lbs./Cu. In. 0.304
Melting Point, approx. °F 1650
Electrical Conductivity, % IACS at 20°C (68°F) 26
Thermal Conductivity, btu at 20°C (68°F) 67
Average Coefficient of Thermal Expansion at 68° to 572°F 0.0000118

A.M.S. 4611,4612
A.S.T.M. B21, Alloy A
Federal QQ-B-637, Comp. 464
S.A.E. CA464




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