Drill pipe of stainless steel
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. > Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: > Drill pipe of stainless steel > Drill pipe of stainless steel
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Products classified under Tariff item 7304.22.00
10-3/4 inch Fatigue-Resistant Drill Pipe
Seamless stainless steel drill pipe, 10-3/4 inches (273 mm OD), fatigue-resistant for high-cycle bending in slimhole drilling for oil/gas exploration. Features proprietary spiral grooves for cuttings transport. Classified under 7304.22.00 as drill pipe of stainless steel.
114.3 mm OD Stainless Steel API Drill Pipe Heavy Wall
API-spec seamless stainless steel drill pipe, 114.3 mm OD with heavy wall thickness over 9.5 mm, for directional drilling in gas fields. Classified under 7304.22.00 as drill pipe of stainless steel.
127 mm OD Duplex Stainless Drill Tubing Heavy
Duplex stainless steel seamless tubing used as drill pipe, 127 mm OD with heavy wall for corrosive offshore oil drilling. Classified under 7304.22.00 as drill pipe of stainless steel.
127 mm OD Stainless Steel Oilfield Drill Pipe
Heavy-duty seamless stainless steel drill pipe measuring 127 mm outside diameter with 8.5 mm wall thickness, engineered for high-pressure oil drilling. Provides corrosion resistance and strength for demanding drilling environments.
13-3/8 inch Directional Drill Pipe
Seamless stainless steel 13-3/8 inch (339.7 mm OD) drill pipe tailored for rotary steerable directional drilling in unconventional gas reservoirs. High fatigue life design. Classified under 7304.22.00 as drill pipe of stainless steel.
13Cr Stainless Steel Drill Pipe 4-1/2 Inch OD
Seamless 13% chromium (13Cr) stainless steel drill pipe, 4-1/2 inches outer diameter, designed for corrosive environments such as sour gas wells. Equipped with premium connections for high-pressure drilling, it provides superior corrosion resistance and mechanical strength.
14-inch Ultra-Deep Drill Pipe
Specialty seamless stainless steel drill pipe at 14 inches (355.6 mm OD) for ultra-deep oil exploration, with proprietary high-strength alloy for extreme depths. Used in geothermal/oil hybrid drilling. Classified under 7304.22.00 as drill pipe of stainless steel.
16-inch Large Bore Drill Pipe
Massive 16-inch (406.4 mm OD) seamless stainless steel drill pipe for large bore oil/gas wells, providing exceptional flow capacity. Engineered for offshore jack-up rigs. Classified under 7304.22.00 as drill pipe of stainless steel.
3.5-inch API Spec 5DP Stainless Drill Tubing
Seamless stainless steel drill tubing with 88.9 mm outer diameter and 7.3 mm wall thickness, compliant with API 5DP standards for oilfield drilling. Designed for use in drilling operations, offering corrosion resistance and mechanical strength.
3.5-inch OD 4130 Stainless Drill Pipe Premium Heavy
Heavy-duty seamless stainless steel drill pipe, 3.5-inch OD with wall thickness exceeding 9.5 mm, featuring premium threading for deep-well oil exploration. Classified under 7304.22.00 as drill pipe of stainless steel.
4.5-inch OD Stainless Steel Drill Pipe Heavy Wall
Seamless stainless steel drill pipe with 4.5-inch outside diameter and wall thickness over 9.5 mm, designed for high-pressure oil and gas drilling operations. Classified under 7304.22.00 as drill pipe of stainless steel.
4.5-inch Stainless Steel Drill Pipe for Oil Rigs
Seamless stainless steel drill pipe with an outside diameter of 114.3 mm and wall thickness of 8 mm, designed specifically for oil and gas drilling operations. Provides corrosion resistance and high strength for demanding downhole conditions.
4-inch Sour Service Stainless Steel Drill Pipe
Specialized 4-inch (101.6 mm outer diameter) seamless stainless steel drill pipe with 8.2 mm wall, rated for sour service in H2S environments during oil/gas drilling. Provides corrosion resistance and strength for challenging drilling conditions.
5-inch OD 13Cr Stainless Drill Pipe Sour Service
13Cr martensitic stainless steel drill pipe, 5-inch OD, wall thickness exceeding 9.5 mm, for sour gas drilling environments. Classified under 7304.22.00 as drill pipe of stainless steel.
5-inch Premium Stainless Drill Pipe for Gas Wells
Seamless 5-inch (127 mm) stainless steel drill pipe with 7.8 mm wall thickness, premium grade for natural gas well drilling. Offers corrosion resistance and high strength for reliable performance in gas drilling operations.
5-inch Premium Stainless Steel Drill Pipe
Heavy-duty seamless stainless steel drill pipe with a 5-inch (127 mm OD) exterior diameter, designed specifically for oil and gas drilling operations to withstand high torque and corrosive environments. Features API tool joints. Classified under 7304.22.00 as drill pipe of stainless steel.
6-5/8 inch Heavy Weight Drill Pipe
Seamless stainless steel heavy weight drill pipe with 6-5/8 inch (168.3 mm OD) diameter, optimized for transition zones in oil/gas drilling strings to reduce fatigue. Includes upset ends for welding tool joints. Classified under 7304.22.00 as drill pipe of stainless steel.
7-inch High-Strength Drill Pipe for Deepwater
Premium seamless 7-inch (177.8 mm OD) stainless steel drill pipe engineered for deepwater oil and gas drilling, with enhanced collapse resistance and sour service compliance (NACE MR0175). Used in extended reach wells. Classified under 7304.22.00 as drill pipe of stainless steel.
8-5/8 inch Sour Service Drill Pipe
This is a seamless stainless steel drill pipe, 8-5/8 inches (219.1 mm) in outside diameter, certified for sour (H2S) service in oil and gas drilling. It features double shoulder connections for high torque and is designed for challenging reservoirs with corrosive environments. It falls under tariff item 7304.22.00 as seamless drill pipe of stainless steel, of a kind used in drilling for oil or gas.
88.9 mm OD Super Duplex Drill Pipe Heavy Wall
Super duplex stainless seamless drill pipe, 88.9 mm OD, wall thickness over 9.5 mm, for ultra-corrosive subsea gas drilling. Classified under 7304.22.00 as drill pipe of stainless steel.
9-5/8 inch Extended Reach Drill Pipe
This is a high-performance seamless stainless steel drill pipe, 9-5/8 inches (244.5 mm) in outside diameter, designed for extended reach horizontal drilling in shale oil and gas plays. It features friction reducer geometry and is built for rotary steerable systems. It is classified under tariff item 7304.22.00 as seamless drill pipe of stainless steel for oil or gas drilling.
API 5DP Heavy Weight Drill Pipe 5 Inch Stainless Steel
Heavy weight drill pipe made from seamless stainless steel tubing, 5 inches in outer diameter, meeting API 5DP specifications for oil and gas drilling. Features thick-walled construction and tool joints for connecting to drill strings, providing high strength and durability.
Austenitic Stainless Steel Drill Pipe 7 Inch Extended Reach
Austenitic stainless steel drill pipe (e.g., 316L), 7 inches outer diameter, designed for extended reach horizontal drilling in shale oil plays. Seamless construction with low cycle fatigue design for enhanced performance in demanding drilling operations.
Duplex Stainless Steel Drill Pipe 6-5/8 Inch for Deepwater Drilling
Duplex stainless steel (e.g., 2205 grade) seamless drill pipe, 6-5/8 inches outer diameter, engineered for deepwater oil exploration with high strength-to-weight ratio. Features high collapse resistance and fatigue strength for extended service in harsh offshore environments.
Heavy Wall 12-inch Drill Pipe
This is an extra heavy wall seamless stainless steel drill pipe, 12 inches (304.8 mm) in outside diameter, designed for high-pressure oil and gas drilling in HP/HT wells. It provides maximum torsional strength and is equipped with premium connections. It is classified under tariff item 7304.22.00 as seamless drill pipe of stainless steel for oil or gas drilling.
Heavy Wall 4-inch Stainless Oilfield Drill Stem
Seamless 4-inch OD stainless steel heavy wall drill pipe, wall thickness over 9.5 mm, used as drill stem in rotary oil drilling rigs. Classified under 7304.22.00 as drill pipe of stainless steel.
Inconel 718 Alloy Drill Pipe Equivalent Stainless 4-3/4 Inch
Inconel 718 alloy drill pipe, 4-3/4 inch, for high-pressure high-temperature (HPHT) wells. Seamless construction. Classified under tariff item 7304.22.00 as drill pipe of stainless steel, given its stainless-like corrosion-resistant properties.
Martensitic Stainless Drill Pipe 3-1/2 Inch Slim Hole
Martensitic stainless steel (e.g., 410/420 grade) drill pipe, 3-1/2 inches outer diameter, for slim hole drilling in oil exploration. Seamless with high hardness for abrasive formations, providing corrosion resistance and wear resistance in demanding conditions.
Ph13-8Mo Stainless Precipitation Hardening Drill Pipe 5 Inch
PH13-8Mo precipitation hardening stainless steel drill pipe, 5 inches, for high-strength deep drilling. Seamless and heat-treatable, offering excellent strength and corrosion resistance for demanding oil and gas applications.
Stainless Steel Coiled Drill Pipe 2 Inch Continuous
Continuous coiled stainless steel drill pipe, 2 inches outer diameter, for underbalanced drilling. Seamless and reelable, providing flexibility and efficiency in drilling operations where continuous pipe is required.
Stainless Steel Friction Weld Drill Pipe 4 Inch Sour Service
4-inch outer diameter stainless steel drill pipe with friction-welded tool joints, designed for sour service (H2S) environments in natural gas drilling. Seamless body provides corrosion resistance and strength for directional drilling operations.
Super Duplex Drill Pipe 5-7/8 Inch High Pressure
Super duplex stainless steel drill pipe (e.g., SAF 2507), 5-7/8 inches outer diameter, for ultra-high pressure and H2S-resistant drilling in harsh oilfields. Seamless construction with integral upset ends for enhanced joint integrity and fatigue resistance.