10-3/4 Inch 40.5# K55 Casing Pipe

Seamless K55 grade casing pipe, 10-3/4 inch (273 mm) OD, 40.5 lb/ft, 11.5 mm wall thickness, threaded ends with couplings, nonalloy steel for intermediate oil/gas casing strings. Meets HTS 7304.29.10.50 criteria for seamless drilling casing dimensions.

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.

7306.30.10Same rate: 35%

If for oil/gas line pipe rather than casing

Line pipe function classifies under 7306.30, differentiated by transport vs well containment use.

7304.29.20.50Same rate: 35%

If uncoupled, plain end

Lack of threads/couplings moves to 7304.29.20 for unfinished casing ends.

7307.19.30.60Higher: 40.6% vs 35%

If threaded but not drilling-specific

General threaded steel tubes outside oilfield use go to 7307.19 fittings category.

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 ITP (Inspection Test Plan) results showing no welds and compliance with API 5CT Group 1 steels

Label shipments clearly as 'oil well casing' to prevent confusion with line pipe classifications

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