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Super Duplex 2507 Stainless Steel Sour Gas Line Pipe

High-strength seamless super duplex 2507 stainless steel pipe for sour gas pipelines, PREN >40 for extreme corrosion resistance. Used in high-pressure gathering lines from wells. Classified under 7304.11.00 as stainless steel seamless line pipe for gas pipelines.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7304.51.10Same rate: 35%

If cold-drawn/hardened stainless steel

Specific processing methods create separate statistical suffixes.

7307.19.30Higher: 40.6% vs 35%

If threaded ends for pipeline connections

Threaded pipe construction falls under separate Chapter 73 fittings heading.

8413.91.90Same rate: 35%

If imported with pumps as pipeline pump parts

Functional parts of pumps classify under pump machinery chapters.

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

Super duplex requires positive material identification (PMI) testing documentation

Declare exact wall thickness/schedule as it affects pressure rating verification

For offshore pipeline use, include DNV-OS-F101 qualification certificates

Related Products under HTS 7304.11.00

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Seamless stainless steel pipe meeting API 5L X65 specifications, designed specifically for high-pressure oil and gas pipelines. Its seamless construction and stainless steel composition ensure corrosion resistance in harsh subterranean environments. Classified under 7304.11.00 as line pipe of stainless steel for oil or gas pipelines.

12-Inch OD 316L Stainless Steel Gas Pipeline Tube

Seamless 316L stainless steel tube with 12-inch outer diameter, engineered for natural gas transmission lines in corrosive soil conditions. Provides superior resistance to pitting and crevice corrosion. Falls under HTS 7304.11.00 due to its seamless stainless steel construction for gas pipelines.

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API 5LC Stainless Steel Sour Service Line Pipe

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