9CR Alloy Seamless Drill Tubing
Seamless 9% chromium alloy steel tubing engineered for downhole use in oil and gas wells, offering superior strength and corrosion resistance. Classified under HTS 7304.29.61 due to its seamless construction and alloy steel material for drilling tubing applications. Meets API specifications for harsh subsurface conditions.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If high-strength low-alloy (HSLA) steel
HSLA steel tubing has a separate subheading from other alloy steel.
If imported as part of a complete drilling rig parts set
Assembled drilling machinery parts may classify under machinery headings instead of raw tubes.
If welded construction
Welded alloy steel tubing for drilling shifts to Chapter 73 welded tubes section.
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Import Tips & Compliance
• Include detailed chemical analysis reports to distinguish from stainless steel alloys
• Ensure labeling specifies 'oilfield tubing' to avoid general tube classifications
• Check for proper heat treatment records to comply with drilling grade standards
Related Products under HTS 7304.29.61
13CR Alloy Steel Oilfield Tubing
Seamless tubing made from 13% chromium alloy steel, designed specifically for oil and gas drilling operations to withstand corrosive environments. It falls under HTS 7304.29.61 as seamless tubing of other alloy steel used as casing or tubing in drilling for oil or gas. The alloy composition provides enhanced resistance to sour gas and high-pressure conditions.
L80 Alloy Steel Casing Tubing
L80 grade seamless alloy steel tubing used as casing in oil and gas wells to line boreholes and prevent collapse. It qualifies for HTS 7304.29.61 as other alloy steel seamless tubing dedicated to drilling operations. Provides yield strength of 80,000 psi for demanding well conditions.
P110 Alloy Drill Tubing
P110 grade seamless alloy steel tubing for high-pressure oil and gas drilling, capable of 110,000 psi yield strength. Falls under HTS 7304.29.61 as other alloy steel tubing for drilling casing and production. Designed for extreme downhole pressures and temperatures.
T95 Alloy Steel Production Tubing
T95 seamless alloy steel tubing used in oil/gas production wells post-drilling for fluid extraction. Classified in HTS 7304.29.61 for its alloy composition and drilling/production tubing purpose. Offers balanced strength and collapse resistance.
C95 Alloy Casing Pipe
C95 grade seamless alloy steel casing for oil and gas well construction, providing intermediate strength for unstable formations. HTS 7304.29.61 applies to this other alloy steel seamless drilling tubing. Corrosion-resistant for extended well life.
Q125 Alloy Steel Tubing
Q125 proprietary seamless alloy steel tubing for ultra-high pressure oil/gas drilling in HPHT wells. Under HTS 7304.29.61 as other alloy steel seamless tubing for drilling applications. Delivers 125,000 psi yield strength.