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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diameter exceeds 215.9 mm
Size threshold separates small vs larger OD casings.
If marketed as mechanical tubing
Non-drilling end use shifts to other hollow profiles.
If imported with welded end fittings
Fittings integration changes principal classification to fittings.
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
• Provide detailed grade certificates confirming nonalloy limits despite Cr content
• Ensure thread protectors are removed or declared separately for inspection
• Bundle in quantities matching standard joint lengths (30-40 ft) for valuation accuracy
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
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8-5/8 Inch 40 ppf J-55 Casing
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4-1/2 Inch 12.6 ppf N-80 Casing
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6-5/8 Inch 27 ppf P-110 Casing
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10-3/4 Inch 54.5 ppf Heavy Casing
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