10 inch OD N80 Casing with BTC Threads
10 inch (254 mm) OD N80 grade seamless casing, buttress threaded couplings, 9.5 mm wall for intermediate oil well sections. Under 7304.29.10.30 for seamless nonalloy steel oil/gas casing specs.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy steel N80Q variant
Quenched/tempered alloy versions classify separately.
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Import Tips & Compliance
• Use caliper gauge certs for wall thickness verification at customs
• Distinguish from tubing (smaller OD)
Related Products under HTS 7304.29.10.30
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