AISI 4130 Cold-Rolled Alloy Steel Slab 10mm Thick
Flat-rolled 10mm thick AISI 4130 chromoly steel slab, 1200mm wide, cold-rolled only. Fits HTS 7225.50.60.00 as other cold-reduced alloy steel ≥600mm wide, ≥4.75mm thick, without further working like enameling. Popular for aircraft tubing and structural frames.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If thickness under 4.75mm
Same cold-rolled alloy steel but thinner than 4.75mm uses the prior subheading.
If width under 600mm
Narrower flat-rolled alloy products (under 600mm) shift to Chapter 72 heading 7226.
If chemically treated (e.g., phosphatized)
Chemical surface treatments listed in chapter note count as 'further worked'.
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Import Tips & Compliance
• Use calibrated tools for thickness verification; CBP may inspect to confirm ≥4.75mm threshold
• Include commercial invoice specifying 'cold-rolled, not further worked' to match tariff description
• Beware bulk vs retail packaging—sets with fittings may classify under different rules
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