16" 84 lb/ft L80 Type 13CR Casing
Maximum size: 16 inch (406.4 mm OD) 13CR L80 casing, 84 lb/ft heavy wall (25+ mm), corrosion resistant for surface casing. Precisely HTS 7304.29.4160 endpoint.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If larger conductor 17+ inch OD
17-20 inch conductor casing separate statistical breakout.
If large diameter welded
16+ inch typically welded LSAW construction under 7305.
If with fixed integral joints
Machined with non-separable threaded connections as fittings.
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Import Tips & Compliance
• 406.4 mm OD exact upper limit; micrometer certification recommended
• 13CR Type 13Cr >10.5% Cr requires chemical analysis certificate
• Surface casing often bulk shipped; ensure proper strapping documentation
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