14 Inch Q125 High Collapse Alloy Casing
Seamless Q125 quasi-premium alloy steel casing with 355.6 mm OD and 11.1 mm wall, engineered for high collapse resistance in deep oil wells. Classified in HTS 7304.29.4150 for its seamless alloy steel construction as drilling casing in the specified OD and thin-wall parameters.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made from carbon steel rather than alloy
Carbon (non-alloy) steel casings classify under separate chemical composition subheadings.
If imported in coils for further processing
Coiled seamless pipe stock for line pipe or casing moves to other pipe headings pre-cut to length.
If modified for gas turbine applications
Specialized end-use beyond oil/gas drilling reclassifies to machinery parts.
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
• Submit collapse test data from independent labs to validate high-strength alloy properties during customs review
• Check for country-of-origin specific duties; many alloy steel pipes face additional tariffs from certain producers
• Use protective end caps during shipping to prevent damage that could affect wall thickness measurements
Related Products under HTS 7304.29.41.50
API 5CT L80 Alloy Steel Oil Well Casing
Seamless L80 grade alloy steel casing pipe used in oil and gas drilling operations, with an outside diameter of 339.7 mm and wall thickness of 10.5 mm. Classified under HTS 7304.29.4150 due to its seamless construction from alloy steel, specific OD range exceeding 285.8 mm but not over 406.4 mm, and wall thickness under 12.7 mm for oilfield casing applications.
9-5/8 Inch P110 Alloy Casing for Gas Wells
Seamless P110 high-strength alloy steel casing with 9-5/8 inch (244.5 mm OD, but model variant at 355.6 mm OD with 11.2 mm wall) designed for high-pressure gas well applications in drilling operations. Fits HTS 7304.29.4150 as other alloy steel seamless casing in the 285.8-406.4 mm OD range with thin wall under 12.7 mm.
13-3/8 Inch 13Cr Alloy Steel Sour Service Casing
Seamless 13Cr (13% chromium) alloy steel casing optimized for sour (H2S) environments in oil drilling, 339.7 mm OD and 10.92 mm wall thickness. Meets HTS 7304.29.4150 criteria for other alloy steel seamless casing used in oil/gas drilling with OD 285.8-406.4 mm and wall <12.7 mm.
12-3/4 Inch T95 Alloy Steel Casing
Seamless T95 grade alloy steel oilfield casing pipe, 323.9 mm OD with 9.5 mm wall thickness, suitable for intermediate casing strings in directional drilling. Falls under HTS 7304.29.4150 as other alloy seamless casing for oil/gas with OD 285.8-406.4 mm and wall under 12.7 mm.