8630 Hot-Rolled Alloy Steel Rod Coil
Hot-rolled rods of 8630 nickel-chromium-molybdenum alloy steel in irregularly wound coils, commonly used for carburizing applications in automotive parts. Falls under HTS 7227.90.60.90 as other alloy steel not specified elsewhere in the heading. Alloy composition includes carbon, manganese, nickel, chromium, and molybdenum.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cold-rolled or cold-drawn
Cold-worked alloy steel bars/rods shift from hot-rolled Chapter 72 heading 7227 to 7228, regardless of alloy type.
If silicon-manganese alloy steel
Specific silicon-manganese max 0.7% Si/1.5% Mn alloy steels have dedicated subheading 7226.91, separate from other alloys.
If not meeting alloy steel minimum element thresholds
Fails Chapter 72 alloy steel definition (no elements like Cr>=0.3%, Ni>=0.3% etc.), reclassifies as carbon steel bars/rods.
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Import Tips & Compliance
• Submit chemical analysis reports verifying 8630 specs (0.28-0.33% C, 0.4-0.7% Ni) to prevent classification as carbon steel
• Verify hot-rolling process documentation; cold-drawn equivalents go to 7228.50
• Watch for rust/discoloration—no duty allowance per Chapter 72 note; inspect upon arrival
Related Products under HTS 7227.90.60.90
AISI 4140 Hot-Rolled Alloy Steel Coil
Hot-rolled bars and rods of AISI 4140 chromium-molybdenum alloy steel, wound in irregularly shaped coils, used for manufacturing shafts and gears. Classified under HTS 7227.90.60.90 as other hot-rolled alloy steel bars/rods in coils, not matching specific alloy steel categories like high-strength or tool steel. Meets Chapter 72 definition for alloy steel with chromium and molybdenum content.
15-5PH Precipitation Hardening Stainless Coil
Hot-rolled in coils, 15-5PH stainless alloy steel rods for aerospace fasteners, with 15% chromium and 5% nickel. While stainless, classified here under other alloy steel per hierarchy as hot-rolled irregular coils not in specific stainless headings. Exceeds razor blade steel limits.
HY-80 High-Yield Alloy Steel Coil
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4330V Modified Hot-Rolled Alloy Coil
Hot-rolled 4330V alloy steel rods in irregularly wound coils, vanadium-modified for oilfield drill collars. Under HTS 7227.90.60.90 as general other alloy steel coils. Contains Cr, Ni, Mo, and vanadium additions.
8620 Case-Hardening Alloy Steel Coil
Hot-rolled 8620 carburizing-grade alloy steel bars in irregular coils for gear blanks. HTS 7227.90.60.90 covers this nickel-chromium-moly alloy not matching special notes. Low carbon for case hardening applications.
E4340 Hot-Rolled Alloy Steel Bar Coil
Hot-rolled bars of E4340 nickel-chromium-molybdenum alloy steel in irregular coils, ideal for aircraft landing gear and high-stress components. HTS 7227.90.60.90 covers this as other hot-rolled alloy steel coils not fitting tool steel or other specific notes. Features 0.38-0.43% carbon with multiple alloying elements.