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HSChapter 73
U.S. imports of seamless stainless steel drill pipe for oil & gas drilling (HS 730422) totaled $31K in June 2026, traded with 4 countries.
Stainless steel drill pipe occupies a niche segment of the oil country tubular goods (OCTG) market, selected for highly corrosive downhole environments where carbon steel grades would degrade rapidly. The US schedule subdivides by outer diameter and wall thickness: 7304220030 covers pipe with OD ≤168.3 mm and wall ≤9.5 mm, 7304220045 covers the same OD range with heavier walls, and 7304220060 covers pipe above 168.3 mm OD, with a legacy consolidated line at 7304220000. As with all steel tubular goods, Section 232 tariffs apply, and importers should verify whether any antidumping or countervailing duty orders on OCTG extend to stainless grades from the country of origin.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Most US antidumping and countervailing duty orders on OCTG and drill pipe have historically excluded stainless steel grades from their scope, focusing instead on carbon and alloy steel. However, scope language varies by order and country, so importers should obtain a formal scope ruling or review the relevant Federal Register notice before assuming stainless pipe is excluded.
Drill pipe (headings 730422–730423) is the rotating string used to transmit torque and drilling fluid during the drilling operation; it is typically heavier-walled with tool-joint connections. Casing and tubing (headings 730424–730429) are run into the completed wellbore to line it or produce hydrocarbons. The intended downhole function and API product specification (e.g., API 5DP for drill pipe vs. API 5CT for casing/tubing) are the key classification determinants.
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Monthly import values over time
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 |
|---|---|---|---|---|---|
| 7304220060 | DRILL PIPE, SEAMLESS,STAINLESS STEEL,DIA > 168.3MM | $27K | 43.77% | 100.00% | $12K |
| 7304220030 | DRILL PIPE,SEAMLS,STN STL,DIA<=168.3MM,THK<=9.5MM | $4K | 50.00% | 100.00% | $2K |
| 7304220045 | DRILL PIPE,SEAMLS,STN STL,DIAM<=168.3MM,THK>9.5MM | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7304220000 | OIL WELL DRILL PIPE, OF STAINLESS STEEL | $466K |
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
TOWERS AND LATTICE MASTS OF IRON OR STEEL
HS 730820
COOKING APPLIANCES ETC FOR GAS FUEL, IRON OR STEEL
HS 732111
TABLE, KITCHEN ETC ARTICLES & PTS, STAINLESS STEEL
HS 732393
| Country | Imports | Exports | Balance |
|---|---|---|---|
| SAUDI ARABIA | -- | $381K | +$381K |
| SINGAPORE | -- | $39K | +$39K |
| ECUADOR | -- | $38K | +$38K |
| INDIA | $25K | -- | -$25K |
| UNITED KINGDOM | $7K | -- | -$7K |
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $7K | $419K | +$412K |
| Pennsylvania | -- | $29K | +$29K |
| California | $25K | -- | -$25K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON INTERCONTINENTAL AIRPORT, TX | -- | $381K | +$381K |
| CLEVELAND, OH | $16K | $29K | +$13K |
| MIAMI, FL | -- | $21K | +$21K |