"4-1/2\" 10.50
4-1/2 inch OD 10.50 lb/ft 9Cr-110 seamless alloy tubing for high-strength casing/tubing strings. 9.19 mm wall thickness maximizes ID in slimhole applications. HTS 7304.29.61.15 designation for alloy drilling tubing ≤114.3 mm OD.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wall thickness exceeding 9.5 mm
Direct statistical breakout within same size but thicker wall.
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Import Tips & Compliance
• Confirm OD exactly 114.3 mm max; 4.5" nominal = 114.3 mm
• Wall thickness certs critical as 10.50# pushes near 9.5 mm limit
• Separate pup joints if lengths <3m to avoid parts classification
Related Products under HTS 7304.29.61.15
API 5CT P110 13Cr Seamless Casing Tubing
High-strength seamless tubing of 13% chromium alloy steel per API 5CT P110 grade, used as production tubing in oil/gas wells. With OD ≤114.3 mm and wall thickness not over 9.5 mm, it withstands high-pressure sour service conditions. Fits HTS 7304.29.61.15 for other alloy steel drilling tubing.
API 5CT T95 10# 2-3/8" Alloy Tubing
T95 grade seamless alloy steel tubing, 2-3/8" OD at 10 lb/ft for extreme service oil/gas wells. Wall thickness 7.01 mm supports high collapse resistance in drilling. Meets HTS 7304.29.61.15 for small-diameter, thin-wall alloy drilling tubing.
"3-1/2\" 9.30
Q125 grade ultra-high strength seamless tubing, 3-1/2" OD 9.30 lb/ft for H2S sour service environments. Wall 8.26 mm thickness for deep, high-pressure gas wells. Falls under 7304.29.61.15 as alloy steel drilling tubing within size limits.
"2-7/8\" 7.90
Martensitic stainless alloy seamless tubing 2-7/8" OD, 7.90 lb/ft for CO2 corrosion resistance in production tubing. Wall thickness 7.44 mm suits horizontal completions. Although stainless, classified as 'other alloy' drilling tubing under 7304.29.61.15.
API 5CT C110 8# 2-3/8" Tubing
C110 restricted yield alloy steel seamless tubing, 2-3/8" 8.00 lb/ft for sour service drilling. Wall 5.61 mm provides balanced strength-to-weight. Classified 7304.29.61.15 as other alloy steel oil/gas tubing.
API 5CT L80 Type 9Cr Seamless Oilfield Tubing
Seamless tubing made from 9% chromium alloy steel, conforming to API 5CT L80 specifications for oil and gas drilling applications. It features an outside diameter not exceeding 114.3 mm and wall thickness ≤9.5 mm, designed for casing and production in corrosive environments. Classified under 7304.29.61.15 as seamless alloy steel tubing used in oil/gas drilling.