7307.22 - Threaded elbows, bends and sleeves:

This HTS category, 7307.22, encompasses threaded elbows, bends, and sleeves specifically manufactured from stainless steel. These fittings are essential components in plumbing and piping systems, designed to connect or alter the direction of pipes through the use of screw threads. The material composition of stainless steel is a key distinguishing factor, offering corrosion resistance and durability that differentiates it from other iron or steel fittings.

It is crucial to distinguish 7307.22 from its sibling categories. While 7307.21 covers threaded flanges, and 7307.23.00 deals with butt welding fittings, this category is exclusively for items joined by threaded connections. Furthermore, 7307.29.00, "Other," captures stainless steel fittings not otherwise specified, highlighting that the defining characteristic here is the threaded connection for elbows, bends, and sleeves.

Within 7307.22, further subclassification is provided to refine the scope. The subcategory 7307.22.10.00 specifically identifies sleeves, often referred to as couplings, which are used to join two pipes end-to-end. The residual subcategory, 7307.22.50.00, covers all other threaded elbows and bends of stainless steel that do not fall under the specific "sleeves" designation, ensuring comprehensive coverage for these types of threaded fittings.