Cold-Drawn Boiler Tube ASTM A179
A seamless carbon steel tube, cold-drawn with a circular cross-section, specifically designed for fire-tube boilers to convey high-pressure steam and water. It meets ASTM A179 specifications for low-carbon steel, ensuring reliable performance in demanding thermal environments. This product is classified under 7304.31.00 as a cold-drawn seamless tube of 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 tube is not cold-drawn or cold-rolled
Applies to other seamless tubes of iron or non-alloy steel with circular cross-section.
If the tube is made of alloy steel
Alloy steel tubes are classified under a different subheading.
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
• Provide the ASTM A179 certification and heat number traceability to the CBSA for smooth clearance
• Confirm the tube's dimensions and wall thickness match the declared tariff classification
• Be aware that tubes for boiler use may require additional inspection by provincial authorities
Related Products under Tariff item 7304.31.00
Boiler Economizer Tube
A cold-rolled seamless steel tube designed for economizer sections in recovery boilers, enhancing preheating efficiency through improved heat transfer. Its non-alloy composition offers cost-effective performance for high-volume industrial applications. This product falls under tariff item 7304.31.00 as a cold-drawn or cold-rolled seamless tube of iron or non-alloy steel with a circular cross-section.
Cold-Drawn Evaporator Condenser Tube
A seamless tube designed for evaporator-condenser circuits in refining distillation columns, offering efficient heat transfer in demanding process conditions. Its cold-drawn construction ensures precise dimensional tolerances and enhanced mechanical properties. This product falls under 7304.31.00 as a cold-drawn seamless tube of non-alloy steel with circular cross-section.
Cold-Drawn Hollow Bar for Axle Housings
Cold-drawn seamless non-alloy steel hollow bar, 70mm outer diameter with a 7mm wall, used for axle housing tubes. The cold-drawing process imparts precise dimensions and a smooth surface, making it suitable for automotive applications.
Cold-Drawn S20C Hollow Bar
Cold-drawn seamless non-alloy steel hollow bar, 50mm outer diameter with a 5mm wall, made from JIS S20C steel for general machinery. The cold-drawing process ensures tight tolerances and improved mechanical properties.
Cold-Drawn Seamless Steel Antenna Mast Tube
Cold-drawn seamless non-alloy steel tube sections used to construct telescoping antenna masts. The cold-drawing process provides precise dimensions and a smooth surface, making it suitable for antenna applications. This product falls under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Drawn Seamless Steel Flagpole Shaft Tube
Cold-drawn seamless non-alloy steel tube serving as the main shaft for outdoor flagpoles. The cold-drawing process ensures a uniform wall thickness and high strength, ideal for supporting flags in various weather conditions. This product is classified under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.