Cold-Drawn Seamless Steel Pressure Tubing
High-pressure cold-drawn seamless tubing of nonalloy steel, 1-inch OD x 0.065-inch wall, rated for 5000 PSI in hydraulic systems. HTS 7304.31.60.50 applies to this cold-reduced circular tube not specialized for boilers or other named uses. Meets ASTM A519 specifications for mechanical applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for boiler/condenser/superheater use
Specific end-use tubes for boilers classify under dedicated 7304.19 subheading.
If longitudinally welded
Welded construction, even cold-formed, goes to heading 7306.
If threaded/connected at both ends
Fittings-added tubes become tube/coupling sets under 7307.
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Import Tips & Compliance
• Include hydrostatic test reports proving pressure capability without calling it 'line pipe'
• Steel must be nonalloy (C≤0.3%); alloy grades require 7304.51 declaration
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