12-1/4 Inch 40# API J55 Casing
Standard J55 grade seamless casing, 12-1/4 inch (311 mm) OD, 40 lb/ft weight, 10.2 mm wall thickness, threaded and coupled per API 5CT for shallow oil production wells. HTS 7304.29.10.50 applies to this exact specification.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If precision bored or turned
Machined precision casing for special applications goes to 7304.59.
If cut and threaded to fittings length
Short lengths for fittings classify under 7307 rather than full casing lengths.
If parts of oilfield machinery
Imported as specified replacement parts for drilling rigs may go to 8431.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Hydrostatic test certificates mandatory for pressure rating verification
• Color coding per API specs aids customs identification of grade
• Avoid bulk packing; individual thread protection prevents classification disputes
Related Products under HTS 7304.29.10.50
9-5/8 Inch 40# P110 Casing Threaded Coupled
High-strength P110 grade seamless casing, 9-5/8 inch OD, 40 lb/ft weight with 11.0 mm wall thickness, nonalloy steel, BTC threaded and coupled for deep oil well applications. Fits HTS 7304.29.10.50 as threaded/coupled casing in the specified OD range with thin wall.
13-3/8 Inch 48# J55 Surface Casing
J55 grade seamless surface casing, 13-3/8 inch OD (339.7 mm), 48 lb/ft nominal weight, 11.8 mm wall, premium threaded and coupled connections, nonalloy steel for conductor casing in oil drilling. Precisely matches HTS 7304.29.10.50 parameters.
11-3/4 Inch 42# N80 Casing Tubing
N80 seamless casing, 11-3/4 inch OD (298.5 mm), 42 lb/ft, 10.9 mm wall thickness, EUE threaded and coupled, nonalloy steel suitable for production casing in gas wells. Classified in HTS 7304.29.10.50 for thin-wall threaded oil/gas casing.
9-5/8 Inch 36# L80 Type 9Cr Casing
L80 Type 9Cr seamless casing pipe, 9-5/8" OD, 36 lb/ft, 9.8 mm wall, BTC connections, technically nonalloy per HTS definition for oil well intermediate strings. Fits 7304.29.10.50 despite Cr content under alloy thresholds.
14 Inch 54# K55 Intermediate Casing
K55 seamless intermediate casing, 14 inch (355.6 mm) OD, 54 lb/ft, 12.2 mm wall thickness (under limit), LTC threaded couplings, nonalloy steel for corrosive environment wells. Perfect match for HTS 7304.29.10.50 thin-wall category.
13-5/8 Inch 48# L80 Production Casing
L80 Type 1 seamless production casing, 13-5/8 inch OD (346.1 mm), 48 lb/ft, 11.2 mm wall, premium VAM TOP threaded connections with couplings, nonalloy steel. HTS 7304.29.10.50 for specified oil/gas casing specs.