13-5/8 Inch 61# L55 Surface Casing
Seamless L55 steel surface casing, OD 346.1 mm, wall ~12mm, used for initial well protection in oil drilling operations. Matches HTS 7304.29.2050 dimensions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If longitudinally submerged arc welded
Welded casing construction moves to Chapter 73 heading 7305 for LSAW pipes.
If imported coated with petroleum residue
Heavy petroleum coatings may trigger classification as crude oil products under Chapter 27.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Certify chemical composition per API; use steel racks for transport; audit supplier for forced labor compliance
Related Products under HTS 7304.29.20.50
14 Inch 72# L55 Low Collapse Casing
Special low-collapse resistance seamless L55 casing, OD 355.6 mm, wall 11.5 mm for shallow wells.
13-3/8 Inch 54.5# K55 Premium Casing
Premium thread seamless K55 casing, OD 339.7 mm, wall 10.9 mm, for extended life.
16 Inch 65# J55 Conductor Casing
Seamless J55 conductor casing for initial hole support, OD 406.4 mm, wall 11.0 mm.
15 Inch 72# J55 Tieback Casing
Seamless J55 tieback casing extension, OD 381 mm, thin wall 11.2 mm, connects surface to subsea wells.
11-3/4 Inch 52# L80 Type 1 Casing
Adjust OD: 11.75in=298.5mm >285.8. Seamless L80 nonalloy, wall 10.5mm, for corrosive environments.
13 Inch 61# N80QB Casing
Seamless N80Q tempered nonalloy casing, OD 330.2 mm, wall 11.4 mm, quench/bow for strength in HP wells.