Chapter 7306 — Customs Tariff Headings
Subheadings
Products classified under Tariff item 73.06
12-inch Welded Stainless Steel Oil Line Pipe
Heavy-duty 12-inch welded stainless steel pipe designed for crude oil gathering lines in offshore fields. Features domed ends for welding connections and a corrosion-resistant alloy suited for sour service environments. Its welded construction and stainless steel composition qualify it as line pipe of a kind used for oil or gas pipelines.
7306.11.002-inch Schedule 40 Stainless Line Pipe
Schedule 40 welded stainless steel line pipe with 2-inch (50.8 mm) OD for offshore gas gathering lines. Its welded construction and stainless steel composition qualify it as line pipe for gas pipelines. The small diameter is suitable for oil and gas pipeline applications.
7306.11.00304L Stainless Steel Welded Gathering Line Pipe
Low-carbon 304L stainless steel welded pipe, 5-inch diameter, used for oil well gathering lines connecting wells to central facilities. Provides cost-effective corrosion protection in mildly corrosive environments. Its welded construction and stainless steel material make it suitable for oil or gas pipeline use.
7306.11.00304L Welded Gas Transmission Pipe 16 Inch
Low-carbon 304L stainless welded pipe with a 406 mm outside diameter, designed for high-pressure gas transmission. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00304 Stainless Welded Gas Gathering Pipe 14 Inch
Standard 304 stainless steel longitudinally welded pipe with a 355.6 mm outside diameter, used in gas gathering lines from wells. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00310S Stainless Welded Gas Pipe 22 Inch OD
High-temperature 310S stainless welded line pipe with a 558.8 mm outside diameter, designed for gas lines operating at elevated temperatures. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00316L Stainless Steel Welded Oil Pipeline 24 Inch OD
Marine-grade 316L stainless steel welded line pipe with a 609.6 mm outside diameter, used for offshore oil pipelines. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00316Ti Stabilized Stainless Line Pipe 14 Inch
Titanium-stabilized 316Ti welded stainless pipe with a 356 mm outside diameter, used for welded pipeline integrity in oil and gas applications. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00317L Stainless Pipeline Pipe 24 Inch OD
Molybdenum-enhanced 317L stainless welded pipe with a 610 mm outside diameter, used for chemical-resistant oil lines. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00321H Stainless Welded Pipeline 16 Inch
Heat-resistant 321H stainless steel welded pipe with a 406.4 mm outside diameter, used for high-temperature oil processing lines. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.003-inch 304 Stainless Gas Line Pipe
304 grade welded stainless steel line pipe, 3-inch (76.2 mm) OD, Schedule 10S, for natural gas transmission. Its welded construction and stainless steel composition qualify it as line pipe for gas pipelines. Standard length is 6 meters.
7306.11.004.5-inch OD Super Duplex Line Pipe
Super duplex stainless steel welded line pipe, 4.5-inch (114.3 mm) OD, for high-pressure oil gathering. Its welded construction and stainless steel composition qualify it as line pipe for oil pipelines. The diameter is at the threshold for this tariff item.
7306.11.00904L Stainless Welded Oil Line 18 Inch
Corrosion-proof 904L stainless welded pipe with a 457 mm outside diameter, used for sour oil service. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00API 5LC Welded Stainless Line Pipe
Specialty welded stainless steel pipe manufactured to API 5LC standards for CO2 injection pipelines, offering corrosion resistance to acidic gases. Used in enhanced oil recovery operations. Its welded construction and stainless steel composition qualify it as line pipe for oil or gas pipelines.
7306.11.00API 5L X52 Welded SS Line Pipe 3.5-inch
Grade X52 welded stainless steel line pipe, 3.5-inch (88.9 mm) OD, used in natural gas distribution pipelines. Its welded construction and stainless steel material provide corrosion resistance. This pipe is classified as line pipe for gas pipelines.
7306.11.00API 5L X65 Stainless Steel Welded Pipeline
High-strength welded stainless steel pipe meeting API 5L X65 specifications, with a 508 mm outside diameter, used for large-diameter oil and gas transmission lines. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00Duplex 2205 Line Pipe 100mm OD
Duplex stainless steel 2205 grade welded line pipe, 100 mm OD, for subsea oil pipelines. Its welded construction and stainless steel composition qualify it as line pipe for oil pipelines. High strength-to-weight ratio makes it suitable for subsea applications.
7306.11.00Duplex 2205 Stainless Welded Gas Line Pipe 18 Inch
Corrosion-resistant duplex 2205 stainless steel welded pipe with a 457.2 mm outside diameter, engineered for natural gas pipelines in harsh environments. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00Duplex Stainless Steel Welded Pipeline 8-inch
8-inch duplex stainless steel (2205 grade) welded line pipe for high-pressure gas injection lines in oil fields. Offers superior strength and pitting resistance compared to 316L. Its welded construction and stainless steel composition qualify it as line pipe for oil or gas pipelines.
7306.11.00High Yield 316 Stainless Welded Pipe 12.75 Inch
High-yield strength 316 stainless welded line pipe with a 323.85 mm outside diameter, used for deepwater oil lines. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00NACE-Compliant Stainless Gas Transmission Pipe
Welded 6Mo stainless steel pipe meeting NACE standards for high-pressure natural gas transmission. 10-inch diameter with enhanced pitting resistance. Its welded construction and stainless steel composition qualify it as line pipe for gas pipelines.
7306.11.00Sch 10 Stainless Steel Line Pipe 4-inch OD
Welded stainless steel line pipe with a 4-inch (101.6 mm) outside diameter and Schedule 10 wall thickness, used for oil and gas pipeline applications. This product falls under tariff item 7306.11.00 as welded line pipe of stainless steel, a classification that covers pipes for oil or gas pipelines regardless of diameter.
7306.11.00Schedule 5S Stainless Line Pipe 2.375-inch
Thin-wall Schedule 5S welded stainless line pipe with a 2.375-inch (60.3 mm) outside diameter, used for low-pressure gas distribution. The product is made of 304/304L grade stainless steel with a mill polish, and is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines.
7306.11.00Stainless ERW Oil Line Pipe 20 Inch OD
Electric Resistance Welded (ERW) stainless steel pipe with a 508 mm outside diameter, used for crude oil trunklines. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00Stainless LSAW Oil Pipe 20 Inch
Longitudinal Submerged Arc Welded (LSAW) stainless pipe with a 508 mm outside diameter, used for oil mains. This product is classified under 7306.11.00 as welded stainless steel line pipe for oil or gas pipelines, with a diameter exceeding 114.3 mm.
7306.11.00Stainless Steel API 5L Line Pipe 4-inch
Welded stainless steel pipe conforming to API 5L specifications, 4-inch diameter, designed specifically for oil and gas pipeline transport. Its welded construction and stainless steel material provide corrosion resistance and structural integrity. This pipe is classified as line pipe for oil or gas pipelines.
7306.11.00Stainless Steel Subsea Line Pipe 16-inch
16-inch welded stainless steel pipe for subsea oil export lines, concrete-coated for stability. Designed for deepwater installations with hyperbaric weld testing. Its welded construction and stainless steel composition qualify it as line pipe for oil pipelines.
7306.11.00Super Duplex SAF 2507 Welded Line Pipe 12 Inch
Super Duplex SAF 2507 welded line pipe, 304.8 mm outside diameter, designed for sour gas service in oilfields. Its welded stainless steel construction and large diameter make it suitable for high-pressure oil and gas pipelines, falling under tariff item 7306.11.00.
7306.11.00Super Duplex Stainless Welded Sour Gas Line Pipe
Welded super duplex (2507 grade) stainless pipe for sour gas pipelines containing H2S, 10-inch diameter. Engineered for extreme corrosion and stress corrosion cracking resistance. Its welded construction and stainless steel composition qualify it as line pipe for gas pipelines.
7306.11.00Urea Grade Stainless Welded Pipeline
Duplex urea-grade stainless welded pipe for ammonia/urea plant gas lines interfacing with carbon steel systems. Provides chloride and urea corrosion resistance. While designed for industrial gas lines, its welded stainless construction and pipeline use qualify it under this tariff item.
7306.11.00Welded 316 Stainless Steel Gas Pipeline Pipe 6-inch
6-inch diameter welded pipe made from 316 stainless steel, optimized for natural gas transmission lines with high pressure ratings. The longitudinal weld seam ensures structural integrity for underground installations. Its welded construction and stainless steel composition qualify it as line pipe for gas pipelines.
7306.11.00Welded Stainless Steel Line Pipe 16 Inch OD
Welded stainless steel line pipe with an outside diameter of 406.4 mm (16 inches), used for oil and gas pipeline applications. Its welded construction and stainless steel material qualify it under tariff item 7306.11.00 for line pipe.
7306.19.0010-Inch API 5L PSL1 Gas Pipeline
A 10-inch diameter API 5L PSL1 welded line pipe made of nonalloy steel, designed for gas transmission pipelines. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines, not exceeding the specified dimensions for other classifications.
7306.19.0012-Inch OD Alloy Steel Gas Line Pipe
A welded alloy steel pipe with a 12-inch outside diameter and 0.375-inch wall thickness, engineered for natural gas distribution pipelines. The alloy formulation provides superior yield strength for high-pressure environments, and it is classified under tariff item 7306.19.00 as 'other' line pipe of alloy steel.
7306.19.0012-Inch Schedule 40 Carbon Steel Line Pipe
A 12-inch diameter Schedule 40 welded pipe made of nonalloy steel, optimized for natural gas distribution pipelines. This product qualifies under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.0024-Inch Diameter Alloy Steel Oil Pipeline Tube
A large-diameter welded alloy steel tube for crude oil trunk pipelines, with high collapse resistance and alloyed for low-temperature toughness in arctic applications. Its welded construction and pipeline use classify it under tariff item 7306.19.00 as 'other' line pipe of alloy steel.
7306.19.0024-Inch OD Nonalloy Steel Pipeline
A 24-inch outside diameter welded pipe of nonalloy steel, double-submerged arc welded (DSAW), for offshore oil pipelines. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.003-inch Gas Transmission Pipe Nonalloy
A nonalloy welded pipe, 76.2 mm OD, for high-pressure gas transmission mains, engineered for MAOP >1000 psi. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.00Alloy Steel Sour Service Line Pipe
A specialized welded alloy steel line pipe resistant to hydrogen sulfide cracking in sour oil/gas environments, typically PSL2 grade with precise alloy control for HIC resistance. It falls under tariff item 7306.19.00 as 'other' line pipe of alloy steel for pipelines.
7306.19.00API 5L Grade B Carbon Steel Line Pipe
A welded carbon steel pipe conforming to API 5L Grade B specifications, designed for transporting oil and natural gas in pipeline systems. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.00API 5L Grade B Carbon Steel Line Pipe 16-inch OD
Welded carbon steel line pipe conforming to API 5L Grade B specifications, with a 406.4 mm outside diameter for oil and gas pipelines. This nonalloy steel pipe exceeds the 114.3 mm threshold and is classified under tariff item 7306.19.00.
7306.19.00API 5L Grade B Carbon Steel Line Pipe 4-inch
A welded carbon steel pipe conforming to API 5L Grade B specifications, designed for oil and gas pipelines with an outside diameter of 114 mm. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.00API 5L Grade X65 Alloy Steel Line Pipe
A welded alloy steel pipe conforming to API 5L X65 specifications, designed specifically for high-pressure oil and gas pipelines. It features enhanced strength from alloying elements like chromium and molybdenum, and is classified under tariff item 7306.19.00 as 'other' line pipe of alloy steel.
7306.19.00API 5L PSL1 Line Pipe 73 mm OD
A PSL1 quality API 5L welded pipe, 73 mm OD, for sour gas pipelines, cost-effective for secondary lines. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.00API 5L PSL2 Line Pipe 16-inch OD Grade B
PSL2 compliant API 5L Grade B nonalloy steel line pipe with a 406.4 mm outside diameter for high-integrity oil and gas pipelines. This welded pipe features enhanced toughness and is classified under tariff item 7306.19.00.
7306.19.00ASTM A106 Seamless Gas Line Pipe
A seamless carbon steel pipe per ASTM A106 Grade B, used in natural gas gathering lines and distribution. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines, despite being seamless.
7306.19.00Carbon Steel Flowline Pipe 88.9 mm
A welded carbon steel flowline pipe, 88.9 mm OD, connecting wellheads to separators in oil fields, with high toughness for field conditions. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.00Carbon Steel Gathering Line Pipe
An ERW carbon steel pipe for gathering lines collecting oil/gas from multiple wells, made of nonalloy steel. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.00Carbon Steel Line Pipe for Sour Gas Service 18-inch OD
Nonalloy carbon steel pipe engineered for sour gas pipelines with H2S resistance, featuring a 457 mm outside diameter. This electric resistance welded pipe is classified under tariff item 7306.19.00 as line pipe for gas pipelines.
7306.19.00Carbon Steel Oil Gathering Line Pipe 2-inch OD
A 50.8 mm OD welded carbon steel pipe used in upstream oil gathering lines to transport crude from wells to processing facilities. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.00Carbon Steel Test Line Pipe 100 mm OD
Carbon steel test line pipe with a 100 mm outside diameter, designed for temporary oil and gas exploration test lines. It is a welded, nonalloy steel pipe used for transporting hydrocarbons during well testing operations, and its reusable design supports multiple deployments.
7306.19.00Carbon Steel Transmission Pipeline Pipe 30-inch OD
Extra-large diameter carbon steel pipe for interstate natural gas transmission, with a 762 mm outside diameter. This welded nonalloy steel pipe is classified under tariff item 7306.19.00 for high-volume gas flow capacity.
7306.19.00Chrome-Moly Alloy Steel Gas Transmission Pipe
A welded chrome-molybdenum alloy steel pipe (e.g., 5Cr-0.5Mo) for high-temperature gas transmission lines, providing creep resistance under pressure. It is classified under tariff item 7306.19.00 as 'other' line pipe of alloy steel for oil or gas pipelines.
7306.19.00Grade A53 Welded Line Pipe 2.375-inch
Grade A53 welded line pipe with a 60.3 mm outside diameter, manufactured to ASTM A53 Grade B specifications for oil and gas flowlines. This nonalloy steel pipe offers corrosion resistance suitable for sour service environments and is used for pipeline transport.
7306.19.00Grade B ERW Oil Line Pipe
An Electric Resistance Welded (ERW) Grade B pipe for oil gathering lines, made of nonalloy steel, meeting NACE MR0175 for sour service. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.00Heavy Wall Carbon Steel Oil Pipeline Pipe 22-inch OD
Thick-walled nonalloy steel pipe for crude oil trunklines, with a 559 mm outside diameter. This longitudinally welded pipe is designed for burial under heavy loads and is classified under tariff item 7306.19.00.
7306.19.00Large Diameter ERW Steel Pipeline Tube 12-inch OD
A large-diameter electric resistance welded (ERW) nonalloy steel tube, measuring 12 inches (304.8 mm) in outside diameter, used for oil or gas distribution pipelines. Its welded construction and dimensions place it under tariff item 7306.19.00 as 'other' line pipe of iron or steel for pipelines.
7306.19.00Low-Pressure Crude Oil Line Pipe
A welded nonalloy steel pipe for low-pressure crude oil flowlines between wells and processing, with Schedule 20 wall thickness. This product falls under tariff item 7306.19.00 as 'other' line pipe of iron or steel used for oil or gas pipelines.
7306.19.00LSAW Small Diameter Gas Pipe 90 mm
Longitudinal Submerged Arc Welded (LSAW) pipe with a 90 mm outside diameter, used for gas gathering operations. This nonalloy steel pipe features superior weld quality and is classified as line pipe for gas pipelines under tariff item 7306.19.00.
7306.19.00Natural Gas Distribution ERW Pipe 4-inch
Electric Resistance Welded (ERW) carbon steel pipe with a 114 mm outside diameter, designed for underground natural gas distribution networks. This nonalloy steel pipe meets utility standards for buried service and is classified as line pipe for gas pipelines.