AISI 4330V Modified Alloy Steel Round Bar
Modified 4330V alloy steel round bar, hot-rolled for landing gear and rocket motor cases. HTS 7228.60.60.00 applies to this non-cold-formed bar of other alloy steel with vacuum-melted Ni-Cr-Mo-V composition. Used in high-stress aerospace applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If semi-finished rectangular >255mm
Large cross-sections classify as semi-finished in 7207, not bars.
If machined or turned surface
Machining constitutes further working per chapter note, to 7228.70.
If meets chipper knife steel specs
Specific composition per note (f) for chipper knife steel in 7228.50.
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Import Tips & Compliance
• Vacuum-melted grades need melt process certification for proper alloy verification
• Avoid classifying as parts (84/85 chapters) if imported as merchant bar stock
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