Welded, of stainless steel
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Subheadings
Products classified under Tariff item 7306.21
13-3/8 Inch 72# P110 Stainless Steel Casing
Heavy-duty 13-3/8 inch welded stainless steel casing with P110 grade and threaded couplings, designed for stabilizing boreholes in high-pressure oil well applications. Its welded construction and stainless steel composition align with tariff item 7306.21.00.
7306.21.0013-3/8 inch L80 Stainless Steel Drilling Tubing
Welded stainless steel tubing with 13-3/8 inch outer diameter and L80 grade, designed for intermediate casing and production tubing in oil/gas wells. Its welded stainless steel construction and use as casing/tubing align with tariff item 7306.21.00.
7306.21.0013-3/8 Inch N80-Type Welded Stainless Casing
13-3/8 inch welded stainless steel casing equivalent to N80 grade for surface casing in onshore oil drilling, offering high collapse resistance and weld seam integrity. Its welded stainless steel construction aligns with tariff item 7306.21.00.
7306.21.0020 Inch Conductor Casing 94# SS Welded
Large-diameter 20-inch welded stainless steel conductor casing with heavy-duty threaded couplings, used to initiate offshore oil well drilling through surface formations. Its welded stainless steel construction places it under tariff item 7306.21.00.
7306.21.0020 Inch Conductor Welded Stainless Casing
20-inch welded stainless steel conductor casing for offshore oil platforms, supporting initial wellhead installation and seabed stability with heavy wall thickness. Its welded stainless steel construction places it under tariff item 7306.21.00.
7306.21.002-3/8 inch EUE Threaded Stainless Tubing
Welded stainless steel tubing with 2-3/8 inch EUE (External Upset Ends) threads for gas lift applications in oil production. Its welded stainless steel construction and use in drilling/production align with tariff item 7306.21.00.
7306.21.002-7/8 inch P110 Welded Stainless Tubing
High-pressure P110 grade welded stainless steel tubing, 2-7/8 inch diameter, used as production tubing in high-yield oil and gas wells. Its welded stainless steel construction and drilling application align with tariff item 7306.21.00.
7306.21.004-1/2 Inch 12.6# J55 SS Liner Casing
Slotted 4-1/2 inch welded stainless steel liner casing with J55 grade and threaded hanger/coupling system for extended reach drilling. Its welded stainless steel construction and use as casing align with tariff item 7306.21.00.
7306.21.004-1/2 Inch 13Cr Welded Stainless Casing
4-1/2 inch 13Cr (13% chromium) welded stainless steel casing for corrosive CO2 environments in enhanced oil recovery wells, welded with low-hydrogen processes for toughness. Its welded stainless steel construction aligns with tariff item 7306.21.00.
7306.21.007 Inch 32# N80 Q125 SS Production Casing
7-inch OD, 32 lb/ft N80 grade quenched and tempered welded stainless steel casing with premium threaded connections for production zones in oil wells. Its welded stainless steel construction and casing function place it under tariff item 7306.21.00.
7306.21.007 Inch P110 Welded Stainless Steel Casing
7-inch OD P110-grade equivalent welded stainless steel casing for production zones in high-pressure gas wells, with upset threaded ends for premium connections. Its welded stainless steel construction and casing function place it under tariff item 7306.21.00.
7306.21.009-5/8 Inch 316L Stainless Steel Welded Casing
9-5/8 inch outer diameter welded stainless steel 316L casing pipe for intermediate casing strings in oil and gas wells, providing corrosion resistance in sour gas environments. Its welded stainless steel construction aligns with tariff item 7306.21.00.
7306.21.009-5/8 Inch 43.5# L80 Type 316 SS Casing
Welded Type 316 stainless steel casing pipe with L80 grade and integral threaded joints for corrosion-resistant oilfield use, essential for intermediate casing strings in sour gas wells. Its welded stainless steel construction aligns with tariff item 7306.21.00.
7306.21.00API 5CT L80 Welded Stainless Steel Casing
Welded stainless steel casing pipe conforming to API 5CT L80 specifications, designed for oil and gas drilling operations to line and support well bores. Its welded stainless steel construction and casing function place it under tariff item 7306.21.00.
7306.21.00API 5CT L80 Welded Stainless Steel Casing Pipe
Welded stainless steel casing pipe meeting API 5CT L80 specifications for oil and gas drilling, featuring threaded ends for secure coupling. Its welded stainless steel construction and casing function place it under tariff item 7306.21.00.