High-Strength AISI 4340 Steel Round Bar
AISI 4340 Ni-Cr-Mo high-strength alloy steel round bar (45 mm dia), hot-rolled for aircraft landing gear. HTS 7228.30.80.15 for alloy bars <76 mm hot-rolled; may meet high-strength note (a) if yield verified but classifies here as other alloy.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If forged rather than rolled
Forging process changes primary heading for alloy bars
If angles/shapes with patterns
Specific shapes like angles have separate worked subheadings
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Import Tips & Compliance
• High-strength note (a) for reference but classification by alloy first,Mechanical test reports helpful for end-use verification if challenged,Prevent surface treatments that constitute 'further worked'
Related Products under HTS 7228.30.80.15
AISI 4140 Hot-Rolled Alloy Steel Round Bar
AISI 4140 is a chromium-molybdenum alloy steel round bar, hot-rolled to a diameter of 50 mm, used for shafts and gears in machinery. It falls under HTS 7228.30.80.15 as other bars and rods of alloy steel, not further worked than hot-rolled, with cross-section less than 76 mm. The alloy composition exceeds simple carbon steel definitions, qualifying it as 'other alloy steel' per chapter notes.
17-4 PH Stainless Alloy Steel Hex Bar
17-4 PH precipitation hardening stainless steel hexagonal bar, hot-rolled to 40 mm across flats, for aerospace fasteners. Classified under HTS 7228.30.80.15 as other hot-rolled alloy steel bars with cross-section under 76 mm, not further worked. Stainless composition distinguishes from non-alloy per chapter structure.
Tool Steel H13 Hot-Rolled Square Bar
H13 tool steel square bar (60 mm x 60 mm), hot-rolled for die casting molds, meeting chapter note (e) tool steel definition with >1.2% C and >10.5% Cr equivalent. Under HTS 7228.30.80.15 as other alloy steel bars, hot-rolled, cross-section <76 mm, not further worked.
AISI 8620 Alloy Steel Hot-Extruded Rod
AISI 8620 nickel-chromium-molybdenum alloy steel rod, hot-extruded to 30 mm diameter for carburizing applications. HTS 7228.30.80.15 covers hot-extruded other alloy steel bars/rods <76 mm not further worked, distinguished by alloying per chapter notes.
EN24 Chromium-Molybdenum Alloy Steel Flat Bar
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Ball Bearing Steel SUJ2 Hot-Rolled Rod
SUJ2 (AISI 52100) ball-bearing alloy steel rod per chapter note (h), hot-rolled 55 mm dia for bearing races. Under HTS 7228.30.80.15 as other hot-rolled alloy steel rods <76 mm, not further worked.