ASTM A197 Carbon Steel Sleeve Coupling
Threaded sleeve coupling meeting ASTM A197 standards for malleable iron fittings, used in fire sprinkler systems. Classified in HTS 7307.92.30.10 as iron/nonalloy steel threaded sleeves. Corrosion-resistant for reliable fire protection piping.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported with pipe structures
Assembled into pipe structures, it may classify under Chapter 73 structures rather than individual fittings.
If stainless steel grade
Stainless equivalents are provided for in the stainless threaded sleeve subheading.
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Import Tips & Compliance
• Include UL/FM listing certifications mandatory for fire protection imports to pass CBP review
• Declare as 'sprinkler system only' to qualify for potential duty suspensions under HTSUS provisions
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