Forged Carbon Steel Weld Neck Flange
A rough-forged flange made from nonalloy steel, designed for welding onto the end of pipes in industrial piping systems. It features a neck extension for strength under high pressure. Classified under 7307.91.10.00 as a flange of iron or nonalloy steel, not machined, tooled, or processed after forging.
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.
If machined or tooled after forging
Machined flanges shift to subheadings specifying processed flanges, increasing specificity.
If made of alloy steel instead of nonalloy
Alloy steel (with specific alloying elements) falls under separate alloy headings in 7307.99.
If imported as part of a pipe assembly set for retail
Assembled sets or retail-packaged fittings may classify as other steel articles rather than individual fittings.
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Import Tips & Compliance
• Verify the flange is truly unmachined post-forging with mill certificates to avoid reclassification to machined categories
• Ensure documentation proves nonalloy steel composition (max 0.25% carbon) for Chapter 73 compliance
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.