4140 Alloy Steel Channel Section 65x35x5mm
Hot-rolled U-shaped channel made from 4140 chromium-molybdenum alloy steel, max dimension 65 mm, for machinery framing. Classified under HTS 7228.70.30.81 as other hot-rolled shapes/sections of alloy steel, not advanced beyond rolling, under 76 mm cross-section. Conforms to tool steel alloy definitions in chapter notes.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-alloy free-cutting steel
Non-alloy versions shift to heading 7216 for carbon steel shapes.
If cold-rolled instead of hot-rolled
Cold-formed shapes have separate provisions from hot-rolled in heading 7228.
If imported as parts of articles with other materials
Mixed-material components may classify under other articles of iron/steel.
Not sure which classification is right?
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Import Tips & Compliance
• Submit chemical analysis reports confirming alloy elements like chromium/molybdenum per chapter note (e)
• Declare exact hot-rolled status; any polishing or coating constitutes 'further worked' requiring different code
• Measure and document maximum cross-sectional dimension to prevent misclassification to larger size subheading
Related Products under HTS 7228.70.30.81
A36 Alloy Steel Angle Bar 50x50x5mm
Hot-rolled L-shaped angle bar made from A36 structural alloy steel with a maximum cross-sectional dimension of 50 mm, used in construction framing. It falls under HTS 7228.70.30.81 as hot-rolled angles, shapes, or sections of alloy steel, not drilled, punched, or further advanced, with max dimension under 76 mm. Meets chapter definitions for alloy steel structural products.
High-Strength 355 MPa Steel L-Section 40x40x4mm
Hot-rolled angle L-section of high-strength alloy steel meeting minimum yield point 355 MPa for thickness ≥3 mm, used in automotive chassis. HTS 7228.70.30.81 applies to hot-rolled alloy steel shapes with max dimension <76 mm, not drilled/punched. Explicitly defined as high-strength steel per U.S. note (a).
Tool Steel H-Section 60x30x6mm
Hot-rolled H-beam section from tool steel alloy (>1.2% carbon, >10.5% chromium), max dimension 60 mm, for die-making jigs. Under HTS 7228.70.30.81 as other alloy steel shapes hot-rolled without advancement, <76 mm. Matches tool steel definition in U.S. note (e)(i).
Chipper Knife Alloy Steel Angle 45x45x4mm
Hot-rolled angle profile of chipper knife steel (0.48-0.55% C, 7.25-8.75% Cr, etc.), max dim 45 mm, for woodworking machinery bases. Fits HTS 7228.70.30.81 as other hot-rolled alloy steel angles/shapes <76 mm, not advanced. Per U.S. note (f).
Heat-Resisting Alloy Steel T-Section 55x55x5mm
Hot-rolled T-shaped section of heat-resisting alloy steel (<0.3% C, 4-10.5% Cr), max cross-section 55 mm, for furnace frameworks. HTS 7228.70.30.81 covers such hot-rolled alloy shapes not advanced, under 76 mm. Defined per U.S. note (g).
4340 Alloy Steel Z-Section Purlin 70x40x5mm
Hot-rolled Z-shaped purlin from 4340 nickel-chromium-molybdenum steel, max dimension 70 mm, for roof framing. HTS 7228.70.30.81 for alloy steel shapes hot-rolled, not punched/drilled, <76 mm cross-section.