321 Stainless Steel Sheet for Exhaust Systems
Flat-rolled 321 stabilized stainless steel sheet, 450 mm wide, 1.2 mm thick, containing 9-12% nickel and titanium-stabilized chromium. Under HTS 7220.90.0015 for other stainless steel flat products <600 mm wide with mid-range nickel. Used in automotive exhaust components for high-temperature resistance.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing 24% or more nickel
Higher nickel alloys (>24%) have separate subheading in 7220.20.
If not stainless (chromium <10.5% without other qualifying elements)
Non-stainless flat-rolled steel falls under chapter 72 headings 7208-7212.
If of universal mill plate form per note (b)
Specific plate dimensions and rolling method qualify for universal mill plate subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Submit material safety data sheets (MSDS) highlighting stabilization elements alongside nickel percentage for proper stainless verification
• Measure width before coiling/packaging; exceeding 600 mm post-unrolling leads to 7222 reclassification
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