Ni-Span C Cold-Drawn Tube
Ni-Span C controlled-expansion high-nickel alloy cold-drawn tubes, used in instruments requiring precise dimensional stability. These seamless tubes have a circular cross-section and are cold-reduced, classifying them under tariff item 7304.51.00 for other 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 nickel content predominates by weight
Nickel alloy tubes are classified under Chapter 75.
If the tube is not cold-finished
Hot-finished seamless tubes of other alloy steel are covered here.
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 tube is seamless and cold-drawn, with documentation from the manufacturer
• Confirm the alloy composition to avoid misclassification under Chapter 75 for nickel alloys
• Consider requesting a CBSA advance ruling for controlled-expansion alloys
Related Products under Tariff item 7304.51.00
AL-6XN Cold-Drawn Pipe
Cold-drawn seamless pipe made from AL-6XN super-austenitic high-nickel alloy steel, designed for desalination plants. The circular cross-section and cold-drawing process provide excellent corrosion resistance in chloride-rich environments. This product falls under tariff item 7304.51.00 as a seamless tube of other alloy steel, cold-drawn or cold-rolled.
Alloy 20 Cold-Rolled Seamless Tube
Cold-rolled seamless tube made from Alloy 20 (Carpenter 20) high-nickel alloy steel, designed for sulfuric acid handling in chemical plants. The circular cross-section and cold-rolling process provide excellent resistance to acid corrosion. This product is classified under tariff item 7304.51.00 as a seamless tube of other alloy steel, cold-drawn or cold-rolled.
Alloy 625 Cold-Drawn Seamless Tube
Cold-drawn seamless tube made from Alloy 625 (Inconel 625) high-nickel alloy steel, designed for aerospace and nuclear applications. The circular cross-section and cold-drawing process provide exceptional strength and corrosion resistance at high temperatures. This product falls under tariff item 7304.51.00 as a seamless tube of other alloy steel, cold-drawn or cold-rolled.
Alloy 625 Refining Furnace Tube
Alloy 625 refining furnace tubes, cold-drawn and seamless, made of heat-resisting nickel-chromium-molybdenum steel. Designed for pyrolysis furnace coils in oil refineries, these tubes withstand carburization and high-temperature cracking. They are classified under tariff item 7304.51.00 as cold-drawn seamless tubes of other alloy steel.
Alloy Steel Cold-Drawn Tapered Bearing Tube
Cold-drawn seamless alloy steel tube with a slight taper, designed for tapered roller bearing races. Its circular cross-section and cold-drawn finish qualify it under tariff item 7304.51.00 as a cold-drawn or cold-rolled tube of other alloy steel.
Cold-Drawn 17-4 PH Stainless Steel Capillary Tube
Ultra-precise seamless cold-drawn capillary tubing from 17-4 precipitation hardening stainless alloy steel, with a circular cross-section for medical instruments. This cold-drawn alloy steel tube qualifies under tariff item 7304.51.00.