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HSChapter 73
U.S. imports of stainless steel pipe & tube flanges (HS 730721) totaled $24.3M in July 2026, traded with 44 countries.
Importers of Stainless Steel Pipe & Tube Flanges paid $13.5M in duties in July 2026 — an effective duty rate of 56% on $24.0M in dutiable value, based on actual customs collections rather than the published tariff schedule. Stainless Steel Pipe & Tube Flanges imports of $24.3M in July 2026 ran 18% above the year-to-date monthly average of $20.6M.
Last updated: July 2026 dataStainless steel flanges are precision-machined or forged connection components used in chemical processing, pharmaceutical, food-grade, and high-purity piping systems where corrosion resistance is essential. The US schedule distinguishes flanges that have not been machined, tooled, or otherwise processed (7307211000) from those that have undergone such finishing (7307215000) — a distinction that affects both classification and value. India is the dominant supplier of stainless steel flanges to the US market, with Italy and Vietnam also significant sources. Section 232 tariffs apply, and importers sourcing from India should confirm whether any applicable trade-remedy orders are in scope.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.1K shipments/mo
7307211000 covers flanges in an as-forged, as-cast, or rough-formed state without subsequent machining or tooling. Once a flange has been faced, bored, drilled for bolt holes, or otherwise dimensionally finished to a pressure-class standard (such as ASME B16.5), it falls under 7307215000. Importers should obtain mill or manufacturer certifications confirming the processing state at time of export.
India has developed a concentrated forging and machining industry in cities like Ahmedabad and Mumbai that produces ASME/ANSI-compliant stainless flanges at competitive cost. Large integrated facilities capable of forging, heat-treating, and finish-machining in one location give Indian producers a lead-time and price advantage that has made them the primary source for US industrial buyers.
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Subheading 7 of 10 in heading 7307
Subheading 730721 · $24.3M of $267.9M
ImportsExports
Imports
$24.3MYoY · Pro
Exports
$7.6MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 7307215000 | Stainless Steel Flanges, Machnd, Toold or Processd | $23.9M | 55.81% | 98.82% | $13.3M |
| 7307211000 | Stainless Steel Flanges, Nt Machnd, Toold or Procs | $439K | 50.43% | 98.54% | $221K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7307210000 | Stainless Steel Flanges | $7.6M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
India and China together supply 64% of it.
customs district
destination
entry
rate provision · imports
0.5% enters free of duty; the effective duty rate is 55.71%.