Unmachined Steel Reducing Flange
Forged nonalloy steel flange that connects differing pipe sizes, rough forged condition. Essential for transitions in ductwork. Under 7307.91.10.00 as unmachined.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3.3% | +75.0% | 78.3% |
| 🇲🇽Mexico | 3.3% | +50.0% | 53.3% |
| 🇨🇦Canada | 3.3% | +50.0% | 53.3% |
| 🇩🇪Germany | 3.3% | +50.0% | 53.3% |
| 🇯🇵Japan | 3.3% | +50.0% | 53.3% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cast iron construction
Cast vs forged method changes flange subheadings.
If sold as structural reinforcements
Non-pipe fitting use may shift to structures/parts.
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
• Specify bore sizes in docs even if rough, for customs valuation
• Segregate from machined inventory during packing
Related Products under HTS 7307.91.10.00
Rough Forged Steel Slip-On Flange
Unprocessed forged flange of nonalloy steel that slips over pipe ends for welding, used in low-pressure applications like water systems. No machining after forging, meeting the raw state for this HTS. Falls under 7307.91.10.00 due to its iron/nonalloy steel construction and forging process.
Rough Forged Steel Threaded Flange
Forged nonalloy steel flange intended for threaded pipe connections, supplied in unmachined state after forging. Used in plumbing and light industrial setups. Classified in 7307.91.10.00 for its material and lack of post-forging work.
Forged Nonalloy Steel Long Neck Flange
Extended neck forged flange from nonalloy steel, unmachined, for high-stress pipeline connections. Provides reinforcement without welding hub. Fits 7307.91.10.00 as a basic forged flange.
Rough Iron Orifice Flange
Forged iron flange pair for flow measurement with orifice plate, supplied rough post-forging. Used in oil/gas metering. 7307.91.10.00 for nonalloy, unmachined state.
Forged Iron Raised Face Flange Blank
Basic forged blank for raised face flanges of nonalloy steel/iron, completely unmachined. Later machined by importer. Strictly 7307.91.10.00 for raw forging.
Rough Forged Nonalloy Steel Spectacle Blind Flange
Figure-8 forged flange for alternating flow/blind positions, nonalloy steel, unmachined. Used in process plants. 7307.91.10.00 classification.