Type M Refined Copper Tube 3/4 Inch
Type M refined copper tube 3/4 inch diameter with thin walls for low-pressure domestic water lines and drainage. Under HTS 7411.10.5000 as other refined copper tubes/pipes beyond refined specifics. Lightweight and economical per ASTM B88.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If contains minor zinc making it copper-zinc base
Even low zinc qualifies as brass alloy tubes if zinc predominates over other elements per note (a).
If used for oil/gas drilling platforms
Copper tubes for specific oilfield uses may shift to Chapter 73 under end-use provisions.
If heavily worked or chain/braided form
Advanced fabrications beyond tubes classify as other copper articles.
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
• Label with exact Type M dimensions and pressure ratings from ASTM specs to differentiate from Type L/K
• Include origin certificates confirming refined copper (not scrap-derived) for duty preference claims
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