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HSChapter 73
U.S. imports of stainless steel pipe & tube flanges (HS 730721) totaled $21.6M in April 2026, traded with 40 countries.
Importers of Stainless Steel Pipe & Tube Flanges paid $11.3M in duties in April 2026 — an effective duty rate of 55% on $20.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Stainless Steel Pipe & Tube Flanges imports of $21.6M in April 2026 ran 18% above the year-to-date monthly average of $18.3M.
Last updated: April 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.
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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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| INDIA | $11.6M | $27K | -$11.6M |
| MEXICO | $654K | $3.3M | +$2.6M |
| VIETNAM | $2.1M | $10K | -$2.1M |
| KOREA, SOUTH | $1.4M | $128K | -$1.3M |
| CANADA | $380K | $1.1M | +$692K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7307215000 | STAINLESS STEEL FLANGES, MACHND, TOOLD OR PROCESSD | $21.2M | 54.47% | $11.1M |
| 7307211000 | STAINLESS STEEL FLANGES, NT MACHND, TOOLD OR PROCS | $400K | 56.77% | $227K |
STAINLESS STEEL FLANGES, MACHND, TOOLD OR PROCESSD
STAINLESS STEEL FLANGES, NT MACHND, TOOLD OR PROCS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7307210000 | STAINLESS STEEL FLANGES | $8.5M |
STAINLESS STEEL FLANGES
363.5K kg
ARTICLES OF IRON OR STEEL NESOI
HS 732690
STRUCTURES AND PARTS NESOI OF IRON OR STEEL
HS 730890
THREADED SCREWS AND BOLTS NESOI OF IRON OR STEEL
HS 731815
COOKING APPLIANCES ETC FOR GAS FUEL, IRON OR STEEL
HS 732111
NUTS OF IRON OR STEEL
HS 731816
TABLE, KITCHEN ETC ARTICLES & PTS, STAINLESS STEEL
HS 732393
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $9.9M | $740K | -$9.2M |
| California | $717K | $2.3M | +$1.6M |
| Michigan | $948K | $1.5M | +$547K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $10.1M | -- | -$10.1M |
| LAREDO, TX | $224K | $1.7M | +$1.5M |
| NEWARK, NJ | $1.5M | -- | -$1.5M |