Forged Alloy Steel Pipe Coupling 2-inch NPT
A threaded sleeve coupling made from low-alloy steel like AISI 4140, designed to join two 2-inch nominal pipe size threaded pipes end-to-end. It falls under HTS 7307.92.3030 as a threaded sleeve of alloy steel (not stainless), used in high-pressure plumbing and industrial piping systems. The alloy composition provides enhanced strength and corrosion resistance compared to carbon steel.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not threaded
Unthreaded sleeves or couplings of alloy steel fall under the broader 'other' category in 7307.99, as threading defines the specific 7307.92 grouping.
If made of stainless steel
Stainless steel variants (e.g., 316L) are classified separately under 7307.92.3015 due to distinct corrosion properties and chapter material distinctions.
If imported as part of a pump assembly
When supplied as a component in a complete pump set for fluid machinery, it may be classified under pump parts rather than standalone pipe fittings.
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Import Tips & Compliance
• Verify alloy steel composition via mill test certificate to confirm exclusion of stainless steel and qualify under this subheading
• Include detailed technical specs like pressure rating and thread standard (NPT/BSP) in commercial invoice to avoid misclassification as unthreaded fittings
Related Products under HTS 7307.92.30.30
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A182 F11 Class 2 Alloy Elbow-Sleeve 1-1/4 inch
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