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HSChapter 73
U.S. imports of welded circular cross-section pipes, tubes & hollow profiles, iron or non-alloy steel (HS 730630) totaled $70.7M in April 2026, traded with 36 countries.
Importers of Welded Circular Cross-Section Pipes, Tubes & Hollow Profiles, Iron or Non-Alloy Steel paid $32.8M in duties in April 2026 — an effective duty rate of 47% on $69.1M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataWelded circular pipes, tubes, and hollow profiles of iron or non-alloy steel — excluding line pipe and OCTG — serve the widest range of end uses in construction, mechanical, and fluid-conveyance applications, making this one of the most heavily subdivided headings in Chapter 73. The US schedule breaks the heading across wall thickness (below and above 1.65 mm), outside diameter ranges, galvanizing status, and coupling/lining configurations, resulting in more than twenty active 10-digit tariff lines. Mexico and the United Arab Emirates lead US imports under this heading, with Canada, Vietnam, and India also among the top sources. Section 232 tariffs apply, and imports from certain origins may also face antidumping or countervailing duty exposure.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The 1.65 mm wall thickness is the primary structural breakpoint within the heading: lines 7306301000 series cover tubes with walls less than 1.65 mm, while the 7306305000 series and related lines cover walls of 1.65 mm or more. Because the wall thickness also interacts with outside diameter ranges and surface treatment (galvanized vs. non-galvanized), importers should obtain dimensional certifications from the mill to ensure the correct 10-digit line is selected.
Tariff line 7306301010 specifically covers tubes internally coated with non-electrically insulating material for use as electrical conduit — a product defined by its functional coating and end-use rather than purely by dimensions. This end-use specificity means that identical-dimension tubes without the qualifying internal coating would fall under the residual thin-wall line 7306301090, so coating specifications and intended use documentation are important for correct classification.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $20.9M | $18.3M | -$2.6M |
| CANADA | $12.2M | $16.5M | +$4.4M |
| UNITED ARAB EMIRATES | $7.8M | $44K | -$7.7M |
| VIETNAM | $4.7M | -- | -$4.7M |
| INDIA | $4.6M | $42K | -$4.5M |
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 |
|---|---|---|---|---|
| 7306305090 | PIPES ETC IR/ST NGL WL THKNS 1.65MM AO OD 114-406 | $14.0M | 49.84% | $6.9M |
| 7306301090 | OTH TUBES ETC NES CIRC WLD NAS WLS LSTH 1.65MM THK | $9.7M | 47.51% | $4.4M |
| 7306305015 | TUBES ETC WLD CIR NES NAS OV 1.65 THK COLD-DRAWN | $7.1M | 50.12% | $3.2M |
| 7306305057 | OTH TUBES ETC WLD CIR NT GLV, OD DIAM NT OVR 114.3 | $6.9M | 49.95% | $3.4M |
| 7306305028 | OTH TUBES ETC WLD CIR GALV WO CPL INTNL CTD OR LND | $5.5M | 49.82% | $2.7M |
| 7306305020 | OTH TUBES ETC NES WLD CIRCS CLD-RLD WLS 1.65-2.54 | $5.0M | 49.89% | $2.5M |
| 7306305056 | OTH TUBES ETC WLD CIR NT GLV, OD DIAM NOT OVR 50.8 | $4.7M | 49.93% | $2.3M |
| 7306305041 | OTH TUBES ETC WLD CIR NT GLV OD NO 50.8MM W/CPLING | $3.9M | 23.04% | $889K |
| 7306305031 | OTH PIPES ETC WLD CIR GLV OD NO 50.8 W/O CPLNG/LNG | $3.4M | 50.70% | $1.7M |
| 7306305033 | OTH PPES ETC WLD CIR GLV OD NO 114.3 W/O CPLNG/LNG | $2.5M | 50.29% | $1.2M |
| 7306301010 | INT COATED W NON-ELEC INS MAT,USE AS ELEC CONDUIT | $1.9M | 47.78% | $929K |
| 7306303000 | TAPRD PIPES ETC NES WLD CIRC 1.65 AO IOS NA LT PLS | $1.5M | 14.45% | $215K |
| 7306305085 | PIPES ETC IOS CRC GV WL 1.65MM AO TH OD 114-406MM | $1.4M | 46.85% | $674K |
| 7306305027 | OTH TUBES ETC NES WLD CIRC OD NO 114.3, GAL W CPLG | $1.0M | 60.29% | $614K |
| 7306305026 | OTH TUBES ETC NES WLD CIRC OD NO 50.8, GAL W CPLG | $802K | 55.77% | $447K |
| 7306305010 | TUBES ETC WLD CIRC NES NAS OV 1.65 THK FR BOILR ET | $782K | 50.39% | $363K |
| 7306305043 | OTH TUBES ETC WLD CIR NT GLV OD NO 114.3 W/CPLING | $558K | 49.87% | $257K |
| 7306305035 | TUBE/PIPE HOLLOWS FR REDRWNG WLD CCS IOS NAL NESOI | $3K | 50.00% | $1K |
| 7306301000 | OTH TUBES ETC NES CIRC WLD NAS WLS LSTH 1.65MM THK | $0 | -- | -- |
PIPES ETC IR/ST NGL WL THKNS 1.65MM AO OD 114-406
OTH TUBES ETC NES CIRC WLD NAS WLS LSTH 1.65MM THK
TUBES ETC WLD CIR NES NAS OV 1.65 THK COLD-DRAWN
OTH TUBES ETC WLD CIR NT GLV, OD DIAM NT OVR 114.3
OTH TUBES ETC WLD CIR GALV WO CPL INTNL CTD OR LND
OTH TUBES ETC NES WLD CIRCS CLD-RLD WLS 1.65-2.54
OTH TUBES ETC WLD CIR NT GLV, OD DIAM NOT OVR 50.8
OTH TUBES ETC WLD CIR NT GLV OD NO 50.8MM W/CPLING
OTH PIPES ETC WLD CIR GLV OD NO 50.8 W/O CPLNG/LNG
OTH PPES ETC WLD CIR GLV OD NO 114.3 W/O CPLNG/LNG
INT COATED W NON-ELEC INS MAT,USE AS ELEC CONDUIT
TAPRD PIPES ETC NES WLD CIRC 1.65 AO IOS NA LT PLS
PIPES ETC IOS CRC GV WL 1.65MM AO TH OD 114-406MM
OTH TUBES ETC NES WLD CIRC OD NO 114.3, GAL W CPLG
OTH TUBES ETC NES WLD CIRC OD NO 50.8, GAL W CPLG
TUBES ETC WLD CIRC NES NAS OV 1.65 THK FR BOILR ET
OTH TUBES ETC WLD CIR NT GLV OD NO 114.3 W/CPLING
TUBE/PIPE HOLLOWS FR REDRWNG WLD CCS IOS NAL NESOI
OTH TUBES ETC NES CIRC WLD NAS WLS LSTH 1.65MM THK
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7306306000 | OTH PS TB HPFL IOS NA WLD CCS,ETC,OD 114.4-406.4MM | $16.8M |
| 7306301000 | OTH TUBES ETC NES CIRC WLD NAS WLS LSTH 1.65MM THK | $11.4M |
| 7306304000 | OTH PS TB HPFLS IOS NA WLD CIRC CS NT GALV, ETC. | $5.6M |
| 7306301550 | PS TBS HPFLS IOS NA WLD CCS WALLS 1.65MM THK; ETC | $2.6M |
| 7306302000 | OTH PS TB HPFLS I0S NAL WLD CCS GLV WLS 1.65MM,ETC | $1.6M |
OTH PS TB HPFL IOS NA WLD CCS,ETC,OD 114.4-406.4MM
6.8M kg
OTH TUBES ETC NES CIRC WLD NAS WLS LSTH 1.65MM THK
4.1M kg
OTH PS TB HPFLS IOS NA WLD CIRC CS NT GALV, ETC.
1.9M kg
PS TBS HPFLS IOS NA WLD CCS WALLS 1.65MM THK; ETC
983.6K kg
OTH PS TB HPFLS I0S NAL WLD CCS GLV WLS 1.65MM,ETC
655.4K kg
TABLE, KITCHEN ETC ARTICLES & PTS, STAINLESS STEEL
HS 732393
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $29.0M | $1.9M | -$27.1M |
| Ohio | $2.2M | $8.0M | +$5.8M |
| California | $7.0M | $1.3M | -$5.7M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | $15.4M | $14.3M | -$1.1M |
| HOUSTON, TX | $14.4M | $229K | -$14.2M |
| PORT HURON, MI | $3.7M | $5.3M | +$1.6M |