C46400 Naval Brass has good strength and rigidity. This alloys are noted for their resistance to wear, fatigue and stress corrosion cracking. It is readily soldered, brazed and welded. Typical applications include nuts, bolts, rivets, valve stems, pump shafts and marine hardware. The addition of tin to C46400 made for extra corrosion resistance in seawater and other mildly aggressive environments.
The addition of Tin also gives Naval Brass a high resistance to dezincification. Dezincification is a type of dealloying in which one of the constitutes of an alloy is removed by corrosion. Dezincification was first recognized as a serious problem in brass tubes used for ship condensers around 1920. At the time this problem was referred to as “Condenseritis”. Since then various alloys have been formulated to stop this process, one of which being Naval Brass.
Naval Brass is used extensively in marine hardware applications, but the uses don’t stop there. Its higher tensile strength and resistance to wear make it applicable in bushings and wear strip as well as fastener and valve stem applications.
Sizes listed by outside diameter
CDA 46400
ASTM B21
SAE J463
AMS 4611
Cu- 60.00%
Pb- 0.2%
Sn- 0.7%
Zn- 39.2%
Fe- 0.1%
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