11" 42 ppf L80-9CR Alloy Casing
Seamless 11" OD (279.4 mm) L80-9CR alloy casing, 42 lb/ft, 10.8 mm wall thickness, 8-round threaded couplings for intermediate casing strings in oil wells. Corrosion-resistant chrome alloy for CO2 environments. Perfect fit for 7304.29.31.30 thin-wall threaded casing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If plain end without threads or couplings
Plain end casing classified differently from connected products.
If imported in square or rectangular hollow profiles
Non-round profiles for special drilling use other headings.
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Import Tips & Compliance
• Provide Cr content analysis for 9CR designation; inspect for seamless proof via ultrasonic testing docs
• Avoid declaring OD inclusive of threads
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