409 Stainless Steel Billets for Exhaust Systems
Primary billets of 409 ferritic stainless used in automotive exhaust manufacturing. HTS 7218.10.00.00 for stainless steel in ingot/other primary forms before forging.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cold-rolled flat products
Post-processing into thin sheets for mufflers moves to Chapter 72 flat-rolled stainless.
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Import Tips & Compliance
• Automotive-grade certifications (IATF 16949) recommended; Verify 11% Cr minimum; Bulk shipping common—check container ventilation
Related Products under HTS 7218.10.00.00
300 Series Stainless Steel Ingots
Large cast blocks of austenitic stainless steel alloys like 304 or 316, produced by melting and pouring into molds. Classified under HTS 7218.10.00.00 as primary forms of stainless steel prior to hot-rolling into slabs or billets. These ingots serve as the initial feedstock for further stainless steel processing.
304 Stainless Steel Billets
Cylindrical or square primary cast forms of grade 304 stainless steel, used as input for extrusion or forging. HTS 7218.10.00.00 covers these as 'other primary forms' of stainless steel before hot-rolling into usable shapes. Not further worked per chapter definition (no polishing or coating).
316L Stainless Steel Primary Ingots
Low-carbon variant (316L) stainless steel ingots cast for corrosion-resistant applications in marine/chemical industries. Falls under HTS 7218.10.00.00 as stainless steel primary forms, unmachined and without surface treatments like phosphatizing.
430 Ferritic Stainless Steel Billets
Primary billets of 430-grade ferritic stainless steel with 16-18% chromium, no nickel, used for automotive trim. HTS 7218.10.00.00 for stainless in primary forms before rolling into sheets or bars.
17-4 PH Precipitation Hardening Stainless Ingots
Precipitation hardening stainless steel ingots (17-4 PH) with copper and niobium for aerospace components. Classified HTS 7218.10.00.00 as primary stainless forms, cast directly from vacuum induction melting.
Duplex 2205 Stainless Steel Primary Forms
Duplex stainless (2205 grade) ingots or billets combining austenitic/ferritic phases for oil & gas piping. HTS 7218.10.00.00 applies to these unwrought stainless primary products without further working.