ASTM A333 Grade 6 Low-Temp Seamless Pipe 4-inch
Seamless carbon steel pipe conforming to ASTM A333 Grade 6, with a 4-inch diameter, designed for low-temperature service down to -46°C. Made from non-alloy steel with a circular cross-section, it is used in cryogenic piping systems. This product falls under tariff item 7304.39.00 as 'Other' seamless pipes of iron or non-alloy steel.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the pipe is used in oil or gas drilling operations
Seamless pipes for oil and gas drilling are classified under a different subheading.
If the pipe is made of alloy steel
Alloy steel seamless pipes are classified separately from non-alloy steel.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the pipe meets ASTM A333 Grade 6 specifications and provide a mill test certificate to verify chemical composition and mechanical properties
• Declare the correct diameter and wall thickness to avoid classification errors
• Check if a Canadian Standards Association (CSA) certification is required for cryogenic service applications
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