Seamless 304 Stainless Steel Gas Pipeline Tube 3.5-inch
Grade 304 seamless stainless steel tube with 88.9 mm OD for natural gas distribution pipelines. Meets HTS 7304.11.00.20 criteria as line pipe of stainless steel, seamless, OD ≤114.3 mm, used for gas pipelines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If welded construction
Welded stainless steel line pipe shifts to 7304.41 subheadings, as Chapter 73 prioritizes seamless vs. welded distinction.
If imported as machinery part
Pipes specifically shaped/fitted for industrial machines classify as parts under 8479, not as line pipe.
If for oil/gas well tubing applications
Well tubing/casing for drilling operations uses 7306.50, separate from transport line pipe in 7304.11.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide chemical composition certificates confirming ≥10.5% chromium for stainless steel status
• Avoid common pitfall of mislabeling as 'tubing'; supply pipeline engineering specs to confirm line pipe use
• For small diameters, ensure hydrostatic test reports meet API standards to prevent customs disputes
Related Products under HTS 7304.11.00.20
Stainless Steel API 5L Line Pipe 4-inch OD
Seamless stainless steel line pipe with 101.6 mm outside diameter, designed specifically for oil and gas pipelines per API 5L standards. Classified under HTS 7304.11.00.20 due to its seamless construction, stainless steel material, and OD not exceeding 114.3 mm for pipeline use.
API 5LC Stainless Steel Oil Line Pipe 4.5-inch OD
Seamless API 5LC duplex stainless steel pipe, 114 mm OD, for crude oil gathering lines in oilfields. Fits HTS 7304.11.00.20 as stainless steel seamless line pipe for oil pipelines with OD not exceeding 114.3 mm.
Duplex 2205 Seamless Gas Line Pipe 2-inch OD
UNS S32205 duplex stainless steel seamless pipe, 50.8 mm OD, for high-pressure gas transmission lines. Classified in 7304.11.00.20 for its seamless stainless steel construction as oil/gas line pipe ≤114.3 mm OD.
3-inch OD 316L Stainless Steel Pipeline Connector
Seamless 316L stainless steel line pipe section, 76.2 mm OD, used as straight connectors in oil/gas flowlines. HTS 7304.11.00.20 applies to this stainless seamless line pipe with OD ≤114.3 mm for pipeline service.
Sch 40 Stainless Steel Line Pipe 2.375-inch OD
Schedule 40 seamless stainless steel pipe, 60.3 mm OD, wall thickness 3.91 mm, for oil gathering systems. Meets 7304.11.00.20 as stainless steel seamless line pipe for oil/gas pipelines ≤114.3 mm OD.