4 Inch 14.00 lb/ft E75 Sour Service Drill Pipe
E75 grade seamless drill pipe optimized for H2S sour service environments in natural gas drilling, 4-inch OD, 14 lb/ft nonalloy steel. Meets NACE MR0175 standards for sulfide stress cracking resistance. Under 7304.23.30.00 as drill pipe of iron/nonalloy steel.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless steel sour service variant
Corrosion-resistant stainless alloys classify under stainless drill pipe.
If welded sour service pipe
Welding method changes to other welded steel pipe headings.
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
• Include NACE compliance certificates for sour service grades during import clearance
• Specify hardness limits (≤22 HRC) in material certs to validate classification
Related Products under HTS 7304.23.30.00
4-1/2 Inch 16.60 lb/ft X-95 Drill Pipe
Seamless drill pipe of nonalloy steel with 4-1/2 inch outer diameter, 16.60 lb/ft weight, X-95 grade for high-strength sour service environments in oil drilling. Designed with friction weld upset ends for tool joint connection. Falls under HTS 7304.23.30.00 as other drill pipe of iron or nonalloy steel used in oil/gas drilling.
3-1/2 Inch 13.30 lb/ft G-105 Range 2 Drill Pipe
Range 2 length (31-42 ft) seamless drill pipe, G-105 grade nonalloy steel, 3-1/2 inch OD, 13.30 lb/ft for slimhole directional drilling in gas wells. Equipped with internal plastic coating for corrosion protection. Classified in 7304.23.30.00 for nonalloy steel drill pipe.
3-1/2 Inch 15.50 lb/ft X95 NC50 Connection Drill Pipe
Seamless X95 nonalloy steel drill pipe with NC50 tool joint connections, 3-1/2 inch OD, 15.50 lb/ft for high-torque slimhole applications in shale gas drilling. Features spiral hardbanding. HTS 7304.23.30.00 for nonalloy drill pipe.
5-1/2 Inch 21.90 lb/ft S135 High Torque Drill Pipe
High torque S135 grade seamless nonalloy steel drill pipe, 5-1/2 inch OD, 21.90 lb/ft for challenging extended-reach oil wells. Double shoulder premium connections. Classified under 7304.23.30.00.
4-1/2 Inch 16.60 lb/ft P110 HWDP
Heavy Weight Drill Pipe (HWDP) P110 grade, seamless nonalloy steel, 4-1/2 inch, 16.60 lb/ft for stabilizing bottom-hole assembly in directional drilling. Thicker center upset. HTS 7304.23.30.00.
6-5/8 Inch 27.70 lb/ft V150 Drill Pipe
V150 ultra-high strength seamless nonalloy steel drill pipe, 6-5/8 inch OD, 27.70 lb/ft for ultra-deep HPHT wells. Meets API 5DP premium class. 7304.23.30.00 classification.