C46400 Naval Brass Rectangular Bar 3/4" x 4"
A rectangular bar of C46400 naval brass (59% copper, 39% zinc, 1% tin), used in marine hardware for corrosion resistance. Fits HTS 7407.21.70.00 as tin is under 3% and zinc predominates, qualifying as copper-zinc base alloy (brass) with rectangular cross section.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If copper-tin base alloy (bronze)
Tin predominant or >=3% with zinc <10% moves to bronze subheading per note (b).
If hollow bars or tubes
Hollow rectangular cross sections are classified separately from solid bars/rods.
If made of aluminum alloys
Similar rectangular bars of aluminum-zinc alloys fall under Chapter 76 nonferrous metals.
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Import Tips & Compliance
• Tin content must be documented <3% to stay in brass; higher tin shifts to bronze classification
• For marine use, ensure no anti-fouling coatings, as painted bars may be 'articles' under 7419
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