Carbon Steel Large Diameter Cap 400mm ID
Butt weld pipe cap of nonalloy carbon steel, 400 mm inside diameter, used to seal ends of large pipelines in construction. Classified in HTS 7307.93.90.40 as other butt welding fittings over 360 mm ID of iron/nonalloy steel. Prevents leakage at pipe terminations.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If slip-on or lap joint type
Non-butt weld caps go to other iron/steel fittings.
If considered unfinished tube ends
Plain end closures without fitting features may be tubes.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm domed or flat cap shape with bevel for welding; distinguish from threaded
• Anti-dumping duties may apply—check origin-specific rates for Chinese steel
Related Products under HTS 7307.93.90.40
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