Argon Shielding Gas for Steel Fabrication
Commercially pure argon in 300 cu ft cylinders for GMAW welding in heavy steel fabrication, creating inert shield against atmospheric contamination. HTS 2804.21.00.00 applies to this elemental rare gas in gaseous form, per Chapter 28 notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If argon used in pig iron production process
Iron products involving argon in manufacture are classified in Chapter 72 by metal form.
If for unspecified gas mixtures including argon
Any processed or mixed gases not specifically named go to 3811.90.
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Import Tips & Compliance
• Supplier certificates must specify argon content >99.9%; hazardous material manifest required for ocean transport
• Avoid blending declarations that trigger 3811 reclassification
Related Products under HTS 2804.21.00.00
Industrial Grade Argon Gas
Pure argon gas, chemically defined as a rare gas with atomic number 18, supplied in high-pressure cylinders for industrial applications. It falls under HTS 2804.21.00.00 as argon, a nonmetal rare gas in the gaseous state. This classification applies to commercially pure argon used in manufacturing and welding.
Welding Grade Argon Cylinder
High-purity argon gas (99.999%) in 250 cubic foot steel cylinders, optimized for TIG and MIG welding to provide an inert shielding atmosphere. Classified under HTS 2804.21.00.00 as pure argon, a rare gas, excluding mixtures or processed gases. This ensures accurate tariff application for bulk industrial imports.
High Purity Argon for Laboratories
Ultra-high purity argon (99.9999%) in small lecture bottles for analytical chemistry, spectroscopy, and inert atmosphere glove boxes. It qualifies under HTS 2804.21.00.00 as chemically defined pure argon gas, per Chapter 28 definitions excluding organo-inorganic compounds.
Argon Gas for 3D Metal Printing
Pure argon gas supplied in large format cylinders for selective laser melting (SLM) in additive manufacturing, preventing oxidation during metal powder fusion. Falls under HTS 2804.21.00.00 as unprocessed rare gas argon, not as a mixture or preparation.
Medical Grade Argon Plasma Coagulation Gas
Sterile, ultra-pure argon gas in disposable cartridges for argon plasma coagulation (APC) devices used in endoscopy to control bleeding. Classified in HTS 2804.21.00.00 as pure argon rare gas, provided not pre-mixed or in final medical devices.
Spectroscopy Grade Argon
Argon gas with impurity levels below 1 ppm, packaged in 40L cylinders for inductively coupled plasma (ICP) spectroscopy elemental analysis. It is classified under HTS 2804.21.00.00 as chemically defined pure argon, excluding doped electronic forms.