13Cr Martensitic Stainless Steel Drill Tubing 2-3/8 inch
Seamless 13Cr stainless steel tubing with 2-3/8 inch OD (60.3 mm) and wall thickness exceeding 9.5 mm, used in corrosive oil/gas wells. Falls under HTS 7304.24.60.30 as stainless steel tubing for drilling, specified for sour service environments. Provides enhanced corrosion resistance in harsh downhole conditions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If lower alloy stainless grades
Certain stainless compositions may classify under other seamless steel for drilling if not high-grade.
If for use as parts of oil/gas drilling rigs
If supplied as replacement parts for specific drilling machinery, moves to Chapter 84 parts.
If wall thickness ≤9.5 mm
Thinner wall versions of same stainless tubing stay in 7304.24 but different subheading.
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Import Tips & Compliance
• Include NACE MR0175 compliance certification for sour service to support drilling tubing classification
• Measure and certify exact OD/wall specs; exceeding 114.3 mm shifts to 7304.24.70
• Avoid pitfall of bulk packaging declaration—specify individual tubing lengths for accurate duty assessment
Related Products under HTS 7304.24.60.30
API 5ST Type 316L Stainless Coiled Tubing 1.5 inch
Continuous seamless 316L stainless coiled tubing (38.1 mm OD, wall >9.5 mm section) for well intervention in gas drilling. Under HTS 7304.24.60.30 as stainless steel tubing for oil/gas drilling applications. Deployed from reels for cleaning and logging.
API 5CT L-80 Stainless Steel Oilfield Tubing
Seamless stainless steel tubing designed for oil and gas drilling operations, with an outside diameter not exceeding 114.3 mm and wall thickness over 9.5 mm. Classified under HTS 7304.24.60.30 as 'tubing' of stainless steel used in drilling for oil or gas due to its specifications for casing and tubing applications. Meets API 5CT standards for high-pressure downhole environments.
Duplex 2205 Stainless Steel Casing Tubing 3-1/2 inch
Seamless Duplex 2205 stainless steel tubing (88.9 mm OD, wall >9.5 mm) for oil/gas casing strings in high-pressure wells. HTS 7304.24.60.30 applies as stainless steel 'tubing' for drilling operations, offering superior strength and pitting resistance. Used to line wellbores during extraction.
Super Duplex 2507 Drill Tubing 4-1/2 inch OD
High-alloy Super Duplex 2507 seamless stainless tubing (114.3 mm OD max, wall thickness >9.5 mm) for deepwater gas drilling. Classified in HTS 7304.24.60.30 as stainless steel tubing of a kind used in oil/gas drilling. Engineered for extreme pressure and H2S resistance.
N08028 Stainless Steel Production Tubing 2-7/8 inch
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Incoloy 825 Alloy C-276 Tubing for Sour Gas Wells
Seamless Incoloy 825/NiCrMo tubing (equivalent stainless classification, 101.6 mm OD, >9.5 mm wall) for H2S sour gas drilling. HTS 7304.24.60.30 as stainless steel tubing for oil/gas due to corrosion-resistant properties. High nickel content for extreme environments.