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Instrument Air Line Alloy Tubing

Precision welded alloy steel tubing, 0.75-inch OD, 0.109 wall (>1.65 mm), for clean instrument air service in refineries. HTS 7306.50.50 category.

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.

7304.29.10Same rate: 35%

If seamless for critical services

Instrumentation prefers seamless.

7307.99.50Higher: 39.3% vs 35%

If pre-flared tubing sections

Fittings-prepared tubes become 7307.

7306.90Lower: 10% vs 35%

If square profiled manifolds

Air distribution manifolds other profiles.

Not sure which classification is right?

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Import Tips & Compliance

Cleanliness levels (oxygen service) specified

End ferrule prep for compression fittings noted

ISA standards reference for pneumatic controls

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