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HSChapter 73
U.S. imports of welded stainless steel line pipe for oil or gas pipelines (HS 730611) totaled $11.0M in April 2026, traded with 16 countries.
Importers of Welded Stainless Steel Line Pipe for Oil or Gas Pipelines paid $3.1M in duties in April 2026 — an effective duty rate of 50% on $6.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Welded Stainless Steel Line Pipe for Oil or Gas Pipelines imports of $11.0M in April 2026 ran 26% above the year-to-date monthly average of $8.8M.
Last updated: April 2026 dataWelded stainless steel line pipe for oil and gas service occupies a premium niche within the OCTG and pipeline market, selected for its corrosion resistance in sour-service, offshore, and chemical-injection applications where carbon steel would degrade. The US schedule divides this heading by diameter at the 114.3 mm threshold: 7306110010 covers smaller-diameter pipe and 7306110050 covers larger-diameter pipe, with 7306110000 as the residual line. Turkey and Italy are the leading suppliers to the US under this heading, with the Netherlands, China, and France also among the top sources.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
API 5LC (Line Pipe for Use with Corrosive Fluids) and ASTM A312 are frequently cited for stainless steel line pipe in oil and gas service. While HTS classification does not depend on the specification itself, these standards appear on mill test reports and commercial invoices and help customs officers and brokers confirm the product's intended end-use as line pipe rather than a general-purpose tube.
The 114.3 mm (approximately 4.5-inch nominal) outside diameter threshold splits the heading into two distinct 10-digit tariff lines — 7306110010 for pipe below that diameter and 7306110050 for pipe at or above it. Both lines are subject to Section 232 tariffs on steel, but the diameter split can also be relevant if any antidumping or countervailing duty orders are scoped by size range, making accurate diameter documentation essential.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| TURKEY | $8.9M | -- | -$8.9M |
| ITALY | $1.1M | -- | -$1.1M |
| COSTA RICA | -- | $757K | +$757K |
| CHINA | $585K | -- | -$585K |
| MEXICO | -- | $351K | +$351K |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7306110050 | LINEPIPE OIL/GAS,WELDED, STAINLESS, DIAM > 114.3MM | $11.0M | 50.12% | $3.1M |
| 7306110010 | LINEPIPE GAS/OIL,WELDED, STAINLESS, DIAM < 114.3MM | $75K | 51.34% | $39K |
LINEPIPE OIL/GAS,WELDED, STAINLESS, DIAM > 114.3MM
LINEPIPE GAS/OIL,WELDED, STAINLESS, DIAM < 114.3MM
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7306110000 | LINE PIPE STAINLESS STEEL NOT SMLS NESOI | $1.3M |
LINE PIPE STAINLESS STEEL NOT SMLS NESOI
196.4K 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 | $9.6M | $153K | -$9.4M |
| Connecticut | -- | $757K | +$757K |
| Nevada | $655K | -- | -$655K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $9.8M | $70K | -$9.7M |
| NEW ORLEANS, LA | $16K | $762K | +$746K |
| NORFOLK-NEWPORT NEWS, VA | $556K | -- | -$556K |