AISI 8620 Alloy Steel Square Bar
Hot-rolled square bar from AISI 8620 carburizing alloy steel, used for gears and pinions requiring case hardening. Fits HTS 7228.60.60.00 for non-cold-formed bars of other alloy steel, with composition including nickel, chromium, and molybdenum below tool steel thresholds. Provided in standard mill lengths.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If tool steel per chapter note (e)
Specific tool steel compositions (e.g., high Cr/C) defined in U.S. note (e) are classified separately in 7228.50.
If bars/rods hot-rolled in irregularly wound coils
Coil form changes classification to heading 7213, even for same alloy steel.
If cold-formed square profile
Cold-forming process shifts from 7228.60 to 7228.30 subheading.
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Import Tips & Compliance
• Submit entry with production process certification (hot-rolled/forged) to prevent confusion with cold-finished bars
• Maintain traceability documents for alloy content to defend against CBP audits on alloy steel definitions
Related Products under HTS 7228.60.60.00
AISI 4140 Alloy Steel Round Bar
A hot-rolled round bar made from AISI 4140 chromium-molybdenum alloy steel, commonly used for shafts, gears, and axles in machinery. It falls under HTS 7228.60.60.00 as a non-cold-formed bar of other alloy steel, not meeting specific alloy steel definitions in chapter notes like tool steel or ball-bearing steel. The product is supplied in straight lengths without cold-forming processes.
AISI 4340 Alloy Steel Flat Bar
Hot-rolled flat bar of AISI 4340 nickel-chromium-molybdenum alloy steel, ideal for structural components and aircraft parts. Classified under HTS 7228.60.60.00 as other bars of alloy steel that are not cold-formed and do not qualify as tool steel or other specified types. Delivered in rectangular cross-sections without further cold working.
17-4 PH Stainless Alloy Steel Round Bar
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HY-80 High-Yield Alloy Steel Bar
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