Duplex 2205 Stainless Seamless Pipe 4-inch NPS
Seamless duplex 2205 stainless steel pipe, 4-inch nominal pipe size, for offshore oil & gas structural use. Under HTS 7304.49.0060 for other circular cross-section seamless stainless pipes. Stainless per AISI definition, not wire-sized.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If same specs but for oil/gas line pipe use
Line pipe designation specific to conveyance shifts to 7304.29 statistical notes.
If longitudinally submerged arc welded
LSAW manufacturing process classifies under heading 7305 for welded line pipe.
If imported as parts of oil well equipment
End-use as drilling rig parts may go to Chapter 84 machinery components.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Submit chemical composition analysis confirming duplex stainless (UNS S31803/S32205)
• NACE MR0175 certs required for sour service oil/gas applications
Related Products under HTS 7304.49.00.60
Stainless Steel Seamless Condenser Tubing 3/4-inch OD
Seamless stainless steel tubing optimized for heat exchanger condensers, 3/4-inch OD with enhanced corrosion resistance. Classified in HTS 7304.49.0060 as other seamless stainless tubes of circular section. Not wire per chapter definition.
304 Stainless Steel Seamless Exhaust Tubing 2.5-inch
Seamless 304 stainless tubing for automotive exhaust systems, 2.5-inch diameter with polished finish option. Under HTS 7304.49.0060 as other seamless stainless circular tubes suitable for automotive fabrication. Automotive grade exceeds wire specs.
316 Stainless Steel Seamless Brewery Transfer Tubing 1-inch
Sanitary seamless 316 stainless tubing, 1-inch OD for brewery wort/beer transfer lines with electropolish finish. HTS 7304.49.0060 for other seamless stainless tubes used in food processing. Meets 3A dairy standards.
Stainless Steel Seamless Marine Grade Pipe 6-inch
Seamless marine-grade stainless pipe, 6-inch NPS for shipboard seawater systems with enhanced pitting resistance. Classified HTS 7304.49.0060 as other stainless seamless circular pipe for marine structural use. Large diameter excludes wire note.
17-4 PH Stainless Seamless Pipe 3-inch Schedule 40
Precipitation hardening 17-4 PH stainless seamless pipe, 3-inch Sch 40 for high-strength structural applications. HTS 7304.49.0060 for other stainless seamless circular pipes. Precipitation grades qualify as stainless steel.
304 Stainless Steel Seamless Pipe 2-inch Schedule 10
A seamless tube of 304 stainless steel with a circular cross-section, 2 inches in nominal diameter, and Schedule 10 wall thickness, suitable for chemical processing applications. It falls under HTS 7304.49.0060 as a seamless stainless steel pipe not further worked than hot-rolled or cold-formed, other than for boilers or pressure use. The wire note does not apply as its dimensions exceed 16 mm.