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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If further worked with polishing or coating
Chapter 72 notes define 'further worked' surface treatments like polishing or metal coating, moving product from hot-rolled (7227) to other bars/rods (7228).
If low-alloy high-strength steel per note (a)
Qualifies as high-strength steel if thickness <3mm with yield point 275 MPa or >=3mm with 355 MPa, classified under specific low-alloy heading 7225.
If processed into finished concrete reinforcing bars
Hot-rolled bars with indentations/ribs for concrete reinforcement per note (c) fall under Chapter 73 as structures, not raw Chapter 72 bars/rods.
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Import Tips & Compliance
• Provide mill test certificates confirming alloy composition (e.g
• 0.38-0.43% C, 0.8-1.1% Cr, 0.15-0.25% Mo) to avoid reclassification
• Ensure product is in irregularly wound coils and hot-rolled; uncoiled or cold-rolled shifts to different subheadings
• Declare exact diameter and coil weight to match statistical reporting; common pitfall is misstating as concrete reinforcing bars
Related Products under HTS 7227.90.60.90
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8620 Case-Hardening Alloy Steel Coil
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E4340 Hot-Rolled Alloy Steel Bar Coil
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