30CrNiMo8 Case Hardening Steel Round Billet
30CrNiMo8 case hardening grade alloy steel round billet, circular cross section, primary form for carburized gears. HTS 7224.90.0065 for other alloy steel semi-finished products. Case hardening steels contain specific Ni-Cr-Mo for surface treatment applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If chipper knife steel per note (f)
Very specific C-Cr-Mo-V composition for chipper knives has separate suffix.
If drawn or forged into bars
Processing beyond semi-finished moves to Chapter 72 bar products.
If threaded or pointed after primary forming
Specific end forms (threaded bars, electrodes) have dedicated headings.
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Import Tips & Compliance
• Specify hardenability requirements (Jominy testing) in technical data sheets
• Ensure billets remain descaled only, no phosphating or other chemical treatments
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