20-inch OD T95 Alloy Steel Production Tubing
T95 grade seamless alloy steel tubing with 508 mm OD for liner applications in horizontal drilling. Provides zonal isolation in shale gas production. Classified in 7304.29.61.75 for large-diameter seamless alloy steel used in oil/gas drilling.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless and over 406.4 mm OD
Stainless steel large-diameter tubes use 7306 series, separate from carbon/alloy in Chapter 73.
If as part of downhole drilling tools
Integration into complete drilling assemblies shifts to oilfield machinery parts.
If welded alloy steel equivalent
Welding process changes the primary heading from seamless (7304.2) to welded (7304.5).
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Import Tips & Compliance
• Submit engineering drawings showing drill-specific features like premium threads to distinguish from general pipes
• Account for anti-dump duties on Chinese-origin alloy steel; provide country-of-melt documentation
• Batch imports by heat lot to streamline MTR matching during customs exam
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