AISI 4140 Hot-Rolled Alloy Steel Coil Rod (25 mm diameter)
Hot-rolled bars and rods of chromium-molybdenum alloy steel (AISI 4140) in irregularly wound coils with a circular cross section of 25 mm diameter. Classified under HTS 7227.90.60.40 as other alloy steel hot-rolled in coils, specifically for diameters 19 mm or more. Used primarily for manufacturing shafts, gears, and axles in heavy machinery.
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 instead of hot-rolled
Cold-rolled alloy steel bars/rods in coils fall under heading 7228, shifting from hot-rolled classification.
If diameter less than 19 mm
Smaller diameter circular cross section coils are classified separately within the same subheading.
If processed into concrete reinforcing bars with ribs or deformations
If rolled with indentations or ribs for concrete reinforcement, moves to Chapter 73 as specific reinforcing products.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify exact diameter measurement and alloy composition certification to meet 'other alloy steel' criteria; ensure coils are irregularly wound, not straight lengths
• Provide mill test certificates (MTC) showing non-tool steel alloy elements
• Watch for reclassification if diameter under 19 mm
Related Products under HTS 7227.90.60.40
AISI 4340 Hot-Rolled Alloy Steel Coil (22 mm diameter)
Nickel-chromium-molybdenum alloy steel (AISI 4340) hot-rolled into irregularly wound coils with 22 mm circular cross section, meeting HTS 7227.90.60.40 criteria for other alloy steel rods 19 mm or more. Ideal for high-stress aircraft landing gear and structural components.
8630 Alloy Steel Hot-Rolled Coil Rod (30 mm diameter)
Medium-carbon alloy steel (SAE 8630) in hot-rolled, irregularly wound coils featuring 30 mm diameter circular cross section under HTS 7227.90.60.40. Commonly used for carburized gears, pins, and studs in automotive and industrial applications.
AISI 8620 Hot-Rolled Alloy Coil Rod (28 mm diameter)
Case-hardening alloy steel (AISI 8620) hot-rolled in irregular coils with 28 mm round cross section, fitting HTS 7227.90.60.40 for larger diameter other alloy steel rods. Applied in transmission gears and crankshafts.
E4340 Hot-Rolled Alloy Steel Wire Rod Coil (32 mm)
Structural quality alloy steel (E4340) supplied as hot-rolled wire rod in irregularly wound coils, 32 mm diameter circular section per HTS 7227.90.60.40. Used for bolting and heavy forgings.