4-1/2 Inch P110 High-Pressure Tubing
4-1/2 inch P110 grade seamless tubing of nonalloy steel for high-pressure oil and gas drilling in deep wells. Provides superior yield strength for extreme downhole conditions. HTS 7304.29.50 covers this seamless nonalloy steel drill tubing.
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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 longitudinally submerged arc welded (LSAW)
Welded construction excludes from seamless Chapter 73 headings.
If for lower pressure boiler tube applications
End use determines casing vs high-temp boiler tube classification.
If specialized for pump/compressor parts in drilling
Pump parts have different functional classification under 8413.
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
• Chemical analysis certificates must confirm nonalloy status (< defined alloy limits)
• Specify minimum yield strength (110 ksi) in documentation for grade verification
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