8-5/8 Inch 40 ppf J-55 Casing
J-55 grade seamless nonalloy steel casing, 8-5/8 inch diameter, 40 lb/ft, with wall thickness ≥12.7 mm for intermediate oil well sections. Essential for preventing contamination and structural support in drilling. Matches HTS 7304.29.20.20 criteria perfectly.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If outside diameter 215.9 mm to 285.8 mm
Statistical break within small diameter casing distinguishes size ranges.
If imported as finished fittings-attached
Tube/pipe fittings combinations classify under Chapter 73 fitting headings.
If for line pipe use rather than drilling
Pipes for oil/gas transport (not drilling) fall under line pipe provisions.
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
• Include drift diameter and coupling specifications in commercial invoices for accurate valuation
• Use ISPM-15 compliant wooden cradles for shipping to meet phytosanitary requirements
• Verify no secondary alloying elements exceed nonalloy thresholds via chemical analysis reports
Related Products under HTS 7304.29.20.20
9-5/8 Inch 43 ppf L-80 Casing
Seamless steel oil well casing pipe with 9-5/8 inch outside diameter, 43 pounds per foot weight, and L-80 grade, featuring a wall thickness exceeding 12.7 mm. Designed for oil and gas drilling to line the borehole and protect against collapse. Classified under HTS 7304.29.20.20 due to its seamless construction, nonalloy steel material, small diameter under 215.9 mm, and thick walls.
7 Inch 32 ppf K-55 Casing
Heavy-duty seamless K-55 grade casing with 7-inch OD, 32 lb/ft, and wall thickness over 12.7 mm for high-pressure oil wells. Used to stabilize wellbores during drilling for oil or gas extraction. Fits HTS 7304.29.20.20 as iron/nonalloy steel, seamless, <215.9 mm OD, thick-walled.
4-1/2 Inch 12.6 ppf N-80 Casing
N-80 type 1 seamless casing for slimhole drilling, 4-1/2 inch OD, 12.6 lb/ft, wall thickness 12.7 mm or greater. Provides corrosion resistance in sour gas environments. HTS 7304.29.20.20 due to seamless nonalloy steel, small OD, thick wall specs.
5-1/2 Inch 20 ppf L-80 Type 9Cr Casing
L-80 9Cr seamless casing for corrosive environments, 5-1/2 inch OD, 20 lb/ft, wall >12.7 mm. Chromium-enhanced for oil/gas well integrity. Still nonalloy per HTS, classifies under 7304.29.20.20.
6-5/8 Inch 27 ppf P-110 Casing
High-strength P-110 grade seamless casing, 6-5/8 inch OD, 27 lb/ft, wall thickness ≥12.7 mm for deep oil wells. Withstands extreme pressures in drilling operations. HTS 7304.29.20.20: seamless iron/nonalloy, <215.9 mm OD.
10-3/4 Inch 54.5 ppf Heavy Casing
Extra heavy 10-3/4 inch OD, 54.5 lb/ft L-80 casing with wall thickness exceeding 12.7 mm for surface hole protection in oil drilling. Seamless nonalloy steel construction. Qualifies under HTS 7304.29.20.20 small diameter thick wall provisions.