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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

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7225.50Same rate: 35%

If thickness under 4.75mm

Same cold-rolled alloy steel but thinner than 4.75mm uses the prior subheading.

7226.91.70.00Same rate: 35%

If width under 600mm

Narrower flat-rolled alloy products (under 600mm) shift to Chapter 72 heading 7226.

7225.99.00Same rate: 35%

If chemically treated (e.g., phosphatized)

Chemical surface treatments listed in chapter note count as 'further worked'.

Not sure which classification is right?

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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