10-3/4 inch L-80 Stainless Casing
Seamless Type 304 stainless steel L-80 grade casing with 10.75 inch OD and 11.5 mm wall thickness for high-pressure oil/gas wells. Falls under HTS 7304.24.4050 as drill casing of stainless steel with specified OD range and thin wall under 12.7 mm.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of alloy steel but not stainless
Alloy steel (non-stainless) casing with same specs falls under 7304.23, separate from stainless 7304.24.
If imported assembled with drill bit
Complete drilling equipment including casing classifies as parts of drilling machines under 8431.
If outside diameter exceeding 406.4 mm
Larger OD casing exceeds the 16-inch limit of 7304.24.4050, moving to 7304.59 other casing.
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Import Tips & Compliance
• Provide material test reports confirming stainless steel composition (e.g
• 304/316 grades)
• Include end-use declaration specifying oil/gas drilling to distinguish from line pipe (7304.41)
• Measure wall thickness accurately; values ≥12.7 mm shift to 7304.24.5050
Related Products under HTS 7304.24.40.50
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12-1/4 inch Super Duplex Casing
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14 inch 316L Stainless Casing
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15-1/2 inch Stainless Drill Casing
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