Share:|Follow us on LinkedIn

Raw Stainless Steel Long Neck Flange

Forged stainless steel long neck flange in raw form for high-stress welding, no post-forging treatment. Fits HTS 7307.21.10.00 for unprocessed stainless flanges. Prevalent in power plant steam lines.

Import Duty Rates by Country of Origin

Origin Country	MFN Rate	Ch.99 Surcharges	Total Effective Rate
🇨🇳China	3.3%	+35.0%	38.3%
🇲🇽Mexico	3.3%	+10.0%	13.3%
🇨🇦Canada	3.3%	+10.0%	13.3%
🇩🇪Germany	3.3%	+10.0%	13.3%
🇯🇵Japan	3.3%	+10.0%	13.3%

Alternative Classifications

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

7307.91.50Higher: 40.5% vs 38.3%

If non-stainless iron/steel flanges

Different base metal headings separate stainless from other steels.

8483.90.80.80Lower: 37.8% vs 38.3%

If parts of transmission shafts if end-use related

Machinery parts classification depends on specific assembly intent.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Get AI-powered classification Calculate exact duty

Import Tips & Compliance

• Use NDT reports (non-destructive testing) if required for buyer specs without implying processing

• Beware of valuation issues; rough forgings often undervalued vs. finished

• Comply with ASME B16.5 standards documentation for customs review

Related Products under HTS 7307.21.10.00

Forged Stainless Steel Weld Neck Flange

A rough forged stainless steel flange designed for welding to pipes in piping systems, left unprocessed after forging with visible forging marks. Classified under HTS 7307.21.10.00 as a stainless steel flange not machined, tooled, or otherwise processed post-forging. Used primarily in industrial applications like chemical processing.

Rough Forged Stainless Steel Slip-On Flange

Unfinished forged stainless steel slip-on flange for easy pipe attachment via welding, retaining forging scale and no surface treatment. Falls under HTS 7307.21.10.00 due to stainless steel construction and lack of any post-forging processing. Common in oil and gas pipeline assemblies.

Forged 304 Stainless Steel Blind Flange

Roughly forged 304-grade stainless steel blind flange used to cap pipe ends, unprocessed with hammer marks intact. HTS 7307.21.10.00 applies as it's a stainless steel flange not further worked after forging. Essential for pressure vessel closures in refineries.