321 Stainless Steel Square Semi-Finished Block 350 cm²
A 321 stainless steel square semi-finished block with a cross-sectional area of 350 cm², stabilized with titanium to prevent carbide precipitation during welding. It is used as a precursor for manufacturing welded exhaust systems and other high-temperature components. This product falls under tariff item 7218.99.00 as an 'other' semi-finished product of stainless steel.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is of rectangular cross-section and contains less than 2.5% nickel
This subheading covers rectangular semi-finished products of stainless steel with specific nickel content, which may apply depending on the exact alloy composition.
If the product has been further worked than semi-finished, such as hot-rolled into bars
Once the block is rolled into bars, it would be classified under heading 7222 for stainless steel bars and rods.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is declared as semi-finished stainless steel, not as a finished article, to avoid misclassification
• Provide a mill certificate showing the 321 grade composition (titanium-stabilized) to support the classification
• Verify if the shipment qualifies for preferential tariff treatment under a free trade agreement by including a valid certificate of origin
Related Products under Tariff item 7218.99.00
15-5 PH Stainless Steel Round 28mm Diameter
A 15-5 PH precipitation hardening stainless steel round with a diameter of 28 mm (cross-sectional area ~61.6 cm²), used for landing gear and rocket cases. This grade offers an excellent combination of strength and toughness. It is classified under tariff item 7218.99.00 as an 'other' semi-finished product of stainless steel.
15-5 PH Stainless Steel Square Stock 500 cm²
15-5 PH precipitation hardening stainless steel square stock with a cross-sectional area of 500 cm², designed for landing gear forgings. This large semi-finished product offers superior strength-to-weight ratio and corrosion resistance. Classified under tariff item 7218.99.00 as other semi-finished stainless steel products.
17-4 PH Precipitation Hardening Stainless Square Stock
A 17-4 PH precipitation hardening stainless steel square semi-finished stock, with a cross-sectional area under 232 cm², is a semi-finished product of stainless steel. It has not been further worked than primary hot-rolling, so it falls under this 'Other' tariff item.
17-4 PH Stainless Steel Round Bar 20mm Diameter
A 17-4 PH stainless steel round semi-finished product with a diameter of 20 mm (cross-sectional area ~31 cm²), used for aerospace and medical components requiring high strength. This precipitation hardening grade offers excellent mechanical properties. It is classified under tariff item 7218.99.00 as an 'other' semi-finished product of stainless steel.
17-4 PH Stainless Steel Round Billet
A 17-4 PH stainless steel round billet, 150mm in diameter, is a semi-finished product of stainless steel. It is not in ingot form and has not been further worked than primary hot-rolling, placing it under this tariff item as 'Other' semi-finished stainless steel.
17-4 PH Stainless Steel Square Slab 232 cm²
17-4 PH precipitation-hardening stainless steel square slab with a cross-sectional area of 232 cm², designed for aerospace turbine components. This semi-finished product offers high strength and corrosion resistance. Classified under tariff item 7218.99.00 as other semi-finished stainless steel products.